SR Suntour Durolux 29 Fork - Review

Dec 5, 2017
by Mike Kazimer  
There's no shortage of burly, long-travel 29ers these days, which is why SR Suntour decided to release a big-wheel compatible version of their air-sprung Durolux fork. We first spotted the fork at the Taipei Cycle show earlier this year, but the new addition is now officially on the market, with a retail price of $800 USD. That's still not inexpensive, but it will leave a couple hundred extra dollars in your wallet compared to a top-of-the-line fork from the likes of Fox or RockShox.


SR Suntour Durolux R2C2

• 36mm stanchions
• Air-sprung
• R2C2 sealed cartridge damper
• 15x110mm thru axle
• Clearance for 29 x 2.6" tires
• Hollow forged aluminum crown, magnesium lowers
• 150, 160, or 170mm of travel
• 2,220 grams
• Price: $800 USD
www.srsuntour-cycling.com


That cost savings does come with a weight penalty to match, and the Durolux weighed in at a slightly portly 2,220 grams on our scale, or roughly 200 grams more than a Fox 36 Float. Of course, weight isn't everything if that extra heft comes with a performance advantage, but you'll need to skip ahead to the ride impressions to see how the Durolux held up.
Suntour Durolux 29


Suntour Durolux 29
The blue dial adjusts the fork's high-speed compression damping, and the smaller grey knob provides 17 clicks of low-speed compression adjustment.
Suntour Durolux 29
High- and low- speed rebound are adjusted via the dials found on the bottom of the right leg.


Construction

Like its 27.5" sibling, the Durolux 29 has 36mm stanchions and uses SR Suntour's R2C2 damper, which has externally adjustable high- and low-speed compression damping, along with high- and low-speed rebound damping. It also uses a coil spring-backed internal floating piston (IFP), eschewing the bladder style dampers that have become increasingly common in favor of simplicity and ease of maintenance. The sealed damper cartridge design of the R2C2 means that it can easily be removed for service or replacement – if a shop had a replacement cartridge in stock it would only be a matter of minutes before a customer was up and running again.


Suntour Durolux 29
Plastic spacers above the coil negative spring can be added or removed relatively easily to adjust the fork's travel in 10mm increments.
Suntour Durolux 29
Volume spacer slide onto the underside of the air spring top cap to increase or reduce the amount of end-stroke ramp-up.


The air spring is located on the left side of the fork, where the of end-stroke ramp-up can be altered by adding or removing up to three plastic spacers. Fewer spacers creates a more linear feel, and adding more increases the amount of bottom-out resistance. It's also possible to change the Durolux's travel, and while it does involve removing the fork lowers it's still an extremely simple procedure – the same air shaft is used for all travel configuration. By adding or removing the black plastic discs that sit above the negative spring the fork can be set up with anywhere from 150mm all the way up to 170mm of travel in 10mm increments.

There are lots of forks out there that have screw holes on the back of the crown, but there's a distinct lack of fenders to go with them. SR Suntour's fender is nicely integrated and looks much better than wrapping four zip ties around an expensive fork. The one part of the fork that's a little odd are the two bolts that stick out from the middle of the lowers – it turns out they're for mounting a full fender on the European e-bike version of the fork. Apparently, e-bikes have different fender needs than regular bikes – who knew?


Suntour Durolux 29
Although it's a little fiddly at first, with some practice operating the Q-Loc II thru axle becomes second nature. Personally, I'd like to see the option of a bolt-on thru axle added into the mix.
Suntour Durolux 29
The Durolux can accommodate up to a 29 x 2.6" tire; the integrated fender is a nice touch.


On the Trail

Air spring: The Durolux's beginning stroke sensitivity was excellent right out of the box, with no break-in period required. After some experimentation, I settled on 70psi in the air chamber, with one volume spacer installed for my 160-pound weight. The air spring does ramp up more quickly than I'm used to – even without any spacers there's a distinct difference between the first half of the travel and the second half. I'd rather have the progression begin a little later in the stroke, or take place more gradually, in order to make the most of the 160mm of travel.

Damper: This is where the Durolux's performance pales in comparison to similar options from RockShox or Fox. Partway through my second ride, the fork began to act erratically, delivering a harsh, almost locked-out feeling whenever a rapid succession of bumps was encountered. The first few impacts would be absorbed without any issue, but then the next impact would be incredibly jarring, and a couple of times I was afraid my hands were going to blow off the grips. In short, a far from ideal sensation.

I sent the cartridge back to SR Suntour, and they discovered that the high-speed rebound shims had started to bend, which meant that not enough oil flow was occurring during those quicker hits, in turn causing the harshness I had experienced. Not willing to write off the Durolux completely, next I installed a replacement R2C2 cartridge that SR Suntour had fitted with a higher flow rebound piston. Unfortunately, the same rebound issue occurred – the fork still couldn't keep up with multiple impacts in a row, and the erratic nature of the issue made it difficult to feel confident charging into rough sections of trail.

As a final step, I swapped to an RC2 PCS cartridge, which uses a fixed, shim-based rebound piston design. This made a significant difference, and there was a welcome return to a more consistent feel out on the trail. Except for one thing - the noise. Now, SR Suntour's forks have always been on the louder side of things, and while I'd rather have complete silence, I can handle some squelching / squishing noises. The key word there is 'some' – the noise with this cartridge was louder than anything I'd experienced before.

Suntour Durolux 29

Once again, it was time for some tinkering. SR Suntour sent out a small spring, which I installed into the damping cartridge, stacking it on top of the spring that was already in place above the internal floating piston (IFP). The theory was that by altering the position of the IFP, the cavitation noise would be reduced. That did the trick, and although the fork was still louder than a Fox or RockShox, it was much more tolerable out on the trail.

With the RC2 PCS cartridge installed and the additional spring above the IFP the Durolux's manners improved significantly – the rebound issues were gone, and repeated impacts were handled without any surprises. As a whole, the performance was much more predictable, and if given the choice I would pick the RC2 PCS cartridge over the R2C2 every time. Going with that cartridge also drops the total cost down to $700, although I'd still say that the RockShox Yari or a GRIP damper equipped Fox 36 still have the edge at that pricepoint.


SR Suntour's Response: "SR Suntour would like to thank Pinkbike for their in-depth testing and honest evaluation. The R2C2 cartridge has been ridden and evolving for 2 years now under toughest conditions. It has seen multiple WC DH wins, Rampage wins, Megavalanche wins and NAET overall titles.

However, technologies on such a level can fail sometimes and we have realized it is not perfect. Its long-term performance is not meeting our goals and we are immediately seeking the reasons and will relaunch once solutions exceed those goals. We believe the RC2 PCS platform is solid and reliable, we are looking at reducing the possible noise. Customers with R2C2 forks/ cartridges please contact one of our global service centers or via Facebook or Instagram for a tuned replacement."



Pinkbike's Take:
bigquotesUnfortunately, at this point in time I can't recommend the Durolux 29 R2C2 as a viable option for riders looking to upgrade their current suspension. Its performance simply doesn't measure up to the other contenders currently on the market that weigh less and offer quieter, more consistent performance. Mike Kazimer

137 Comments

  • + 278
 It was not awesome, but it happens. If you read the R2C2 cartridge was the main complaint and that affected it all. The RC2 PCS although Mike stated it was noisy, it did provide consistent performance. Yes there are other reviews out there where the fork performed well, things like rider style, preferences and terrain can make a difference. But overall the R2C2 as we stated is not living up to our goals, we will adapt, change and move forward. Do not count us out and think we cannot make or do not currently have great products. The RC2 PCS is good and an option on all platforms, many riders really like it and it performs well for them. Thank you to all of you who have supported us and continue to do so. We are honest and accepting, good things to come.
  • + 65
 Magnanimity is rarely seen on pinkbike comments, much more so from manufacturers themselves. Kudos to @SRSuntour for being honest and forthcoming.

While I have not used the R2C2 damper, the RC2 I had in the past worked great, and reviews everywhere else have verified that the Durolux RC2 is a viable alternative to the top two brands. I just wish I could find more of it in my country.
  • + 4
 Did you get rid of your upgrade program? I no longer see it on the website.

I recently bought a Norco with a coiled zeron that I am quite enjoying and I also have a trek fuel ex 8 with a float 32 fit4 cartridge that I want to change the fork on... Wondering if that's still possible?

I was going to take advantage of the dytd fork trial from your website but going to wait till the snow melts first so I can give it a proper trial.
  • + 11
 I'm a fan! Keep it up! "noisy" i'm too busy riding to care!
  • + 14
 @SRSuntour reviews like this are always tough to see, but I'm also glad that you all are taking it in stride, recognizing the issue, and have a game plan going forward. It's a good quality in a company to see. I have my eye on a rux pretty hard.
  • + 6
 Great to see a manufacturer that cares, I bought a new Mz 350cr a few months back and it has a very similar problem to what's described in this review and dives through its travel dangerously. So far to date I haven't managed to get any response or contact whatsoever from Mz despite numerous messages on multiple media platforms... Utterly appalling attitude from a company that appears to have zero interest in its end user. Good to see suntour care and are looking to remedy the issue.
  • + 16
 It's bs sram got a positive review on there faulty dj pike!
  • + 2
 Going to be the negative nancy here and say - Be more thorough testing your product before releasing it. Using your customers to work out the kinks in a product, especially one as expensive and as important as a fork, will cost you dearly.
  • + 4
 i really like my 29er auron rc2 pcs and have no issues at all with its performance or its noise level. keep up the good work and good luck sorting out the r2c2 damper. love to looks of the 29er durolux!
  • + 18
 SR Suntour are more gracious than trump lol #SRSuntourforpresident
  • + 3
 I have a Rux with the previous damper. Its my favorite fork ever. I currently also have 2016 Fox 36 and a Pike. The 36 and the Pike have their pluses and minuses but the Rux is great at everything.
  • + 5
 Rc2 pcs here with no noise. Guess my rebound is too open to create any sound. Runs sweet tho
  • + 3
 I read a good review of this fork on Vital.
  • + 6
 Dude, you get some extra respect for not only letting PB post a negative article but working with them through it until they got the experience SR aims for. It says a lot. Then you even leave a solid comment. I wish more manufactures would choose SR forks over bottom end RS.
  • + 1
 @SRSuntour: awe don't change anything because of the noise. I like that sound!
  • + 148
 Well kudos to PB for the solid and unbiased review, for giving Suntour an opportunity to respond and to Suntour for their great response.
  • + 13
 and savings of $1 per Gram
  • + 19
 Also, we can hope that this negative press will drive suntour to make a better product.
  • + 0
 Oops.
  • + 7
 Yeah this here. Most of the stuff is more or less advertorial. To here an authentic bad review is refreshing.
  • + 1
 @superlightracer: Well i suppose they cant diss their paymasters at sram by giving a better review for a cheaper fork.
  • + 13
 @doe222: There's probably a lot of money in Sram and Fox advertisements on Pinkbike, for sure. But you know, there's a good reason that the vast majority of riders are on Sram and Fox forks: they're just better than the competition. Not cheaper; not lighter; not even better looking. They provide outstanding performance at an acceptable price.

It's hard to tout a convoluted conspiracy theory about advertising money in reviews for forks when the much simpler explanation (supported by community opinion) is that the most commonly used products provide the highest value per dollar.
  • + 2
 @zsandstrom: OEM aside, brand loyalty has a lot to do with it. I have a DVO Diamond I got for $599 that blows the dampener on either a Pike or a 36 out of the water, tracks amazingly and doesn't dive at all on repeated hits. Customer service is industry leading and it's a great looking fork. Reliability is top notch and it's easy to work on with loads of how to videos in layman's terms.

I do agree with you on the vast majority of riders being on the top two for a good reason, but there are financial, performance and reliability alternatives that are just simply better choices.

www.jensonusa.com/Dvo-Diamond-29-Fork
  • + 3
 @MrMentallo: I'm actually already on the DVO wagon myself; currently rocking a Topaz out back and I've wanted Diamond since I rode one this summer (alas, I am poor). I agree that they are a better value per dollar. But still, I'd argue that the the brand benefits are part of the value to the people on Fox and Rockshox. The "value" of having a bunch of authorized service centers just down the road is too much to turn away for a lot of consumers
  • + 2
 @zsandstrom: Agreed on all points. I also think that most big two users are happy with their choices because of it's what they know. Case in point, one of my buddies is a Fox suspension brand loyalist. I let him ride my bike when I had a 34 on it and then after I put the Diamond on it. He liked the Diamond better than he liked his own Fox 36. He decided to upgrade his fork to a more current model and ended up going with the '18 36. It was more expensive and isn't quite as good as the dampener on the DVO. His reasoning was familiarity and "we are looking at comparing a 96 out of 100 fork versus a 98 out of 100 fork. You can't go wrong either way."
  • + 1
 @MrMentallo: I’m currently on a 2016 Fox 34 Factory (that’s had its shim stack updated to 2017 specs) for trail riding. In your opinion, would I notice an appreciable difference if I were to switch to a Diamond or would it only be a slight upgrade in performance? (I’ve got a riding weight of about 80kg.)
  • + 2
 Wow, aren't you popular today Razz
Well said sir. well said.
  • + 3
 @irck: huge upgrade. I have both a 2017 Factory 34 with a 2018 evol spring and Diamond. The Diamond is so much better. Frankly, the 34 stinks, it is harsh and doesn’t eat up repeated square edged hits.
  • + 3
 @irck: Big upgrade. The dampener is in another class above the '16 Fox one. Stiffness is noticeably better and you don't have to drop the lowers to make an adjustment equivalent to adding and taking away volume spacers. DVO calls it the OTT adjustment and it's a knob at the base of the right fork that you adjust externally. So you can do things like use high air pressure for mid and long stroke suppleness but adjust the OTT for super soft small bump sensitivity. With the Fox and Rockshox forks, you have to take the fork apart and add volume spacers. With the DVO, you can do it trailside with a multitool. Think different settings for different trail conditions. Plus with the DVO, you can adjust the travel from 120mm to 160mm with spacers. Well worth the upgrade, IMO.
  • + 2
 @carym @MrMentallo: Cheers for the feedback, guys.
  • + 73
 R2C2 clearly isn’t the droid I was looking for.
  • + 47
 Can't believe pinkbike have actually written a honest bad review, finally!
  • + 22
 I think the reality here is that most bikes / parts are so good there are only really 'niggles' or personal opinion to talk about in reviews rather than obviously huge negatives, other than Crank Bro's parts of course..... (though the new stamp seems pretty good)
  • + 11
 @Racer951: This is the thing people don't seem to realise. There are very few bad products out there today. It would be a lot easier to choose a part or a bike if the reviews were like this for all but one of them but the reality is that what's best for you often comes down to personal preference or budget and nothing more.
  • + 2
 I think it has to do with the fact that Suntour knows their stuff is quite up to par yet, but seemingly are working hard at attaining a higher standing in the MTB. Kudos to PB for the review, but especially big Kudos to @SRSuntour for challenging themselves to make a better product and accepting constructive criticism along the way!
  • + 1
 they also did on that jamis defcon trail bike. www.pinkbike.com/news/jamis-defcon-1-review-2016.html. Mike couldn't even right minions are great for that review. (no minions get it)
  • + 1
 @Patrick9-32: I disagree, brakes that dont work if you turn up side down your bike, brakes that dont work above 30 'C , forks that sit deep in their travel because the do not equilise pos and neg chamber to name a few and they all come from the biggest manufacturers.
No mention in the reviews however.... just saying...
  • - 2
 Poor Mike Kazimer can't deal with the noise. Head over to vital to read a review of this fork. In general, like their reviews better.
  • + 2
 @Bike078: A noisy fork would be a deal breaker for me as well. I like my bike to be quiet and any noise like that bugs the crap out of me. It is certainly worth noting in the review.
  • + 2
 @Patrick9-32: Noisy can suck on a ride, been there for sure and not just with our product. The noise is not in all cases, bad cartridge bleed, spring curve set up or a small piece out of tolerance can be part of it, but yes it can happen and yes worth noting. Trust us, we are evaluating this right now. Sometimes a different tune on the cartridge to better match riding style and spring curve can help, it would be awesome if one tune could work for all. If people experience this please get a hold of us.
  • + 1
 @SRSuntour: Thanks for the response. Good luck getting this fork and all your future products up to the high standards you have been known for in recent years.
  • + 28
 I cannot imagine how a company the size of Suntour are able to send a non-functioning product out to the largest MTB review website in the world for testing, even worse is that they could not then put the issue right.

Before you send a product out, surely make sure it at least works as it should - how did no other test riders spot this or is it a tolerance issue? Either way, maybe dyno the fork before sending it to review, what a way to ruin a new product launch.
  • + 12
 to be fair i think they are handling it okay now as far as the statement goes, it is a crying shame though that such a major fuck up has happened. here's hoping that they turn the thing around and release a good fork - the MTB world needs less costly products.
  • + 21
 Well at least they didn’t call it a pre production model, cough Yeti, cough
  • - 2
 Somebody lost their job...
  • + 1
 @sewer-rat: I would probably prefer it if they had said that and then put things right, more worrying that they couldn't fix it and it was a production fork.
  • + 1
 I was sent a lemon sample once but was extremely grateful because it was meant for a container load of order.
  • + 1
 I would rather PB get one without Suntour even knowing about it. It doesn't do much good from a reviewing perspective to get a special fork that has been carefully gone over by their head engineer - I certainly can't get that when I buy one. I'd prefer PB review one off the same production line the rest of us get our parts from.
  • + 21
 I had a 27.5 durolux last year develop the same damper spiking problem. I contacted suntour warranty, and the guy gave me some insulting spiel about how top level athletes ride these forks and there couldn't possibly be a problem. After a little back and forth they sent me a new damper. It developed the same problem again in short order, then when I contacted warranty, they wanted me to send the whole fork in and pay the shipping costs. So I got rid of the fork. because it was not worth my time. Never again.
  • + 12
 I still love Suntour. Don't know why, but I do Smile
  • + 5
 me oo.My RUX fork is awesome.
  • + 1
 @nug12182: Everyone loves an underdog. SR Suntour going toe to toe with Fox and Sram is like Leicester vs Chelsea or Manchester United in the Premier League
  • + 8
 I'm just going to go on the record saying though I agree with some of Mike's findings (I had similar findings early on), his overall take away runs cross grain to my own review.

Few things.

1) I'm bigger than Mike at 200 pounds.
2) I too found the RC2 damper to be more to my liking than the R2C2.
3) I did not find any additional noise to the RC2 damper, though both are louder than a bladder based RS/Fox damper.
4) I ran the fork in a shorter travel configuration (one reason I found the air spring to be a bit more linear than he did)
5) I found the fork, specifically in the RC2 configuration, to be a very viable competitor to the Fox Elite GRIP damper, and at $100 less.
6) The service ports are a nice touch.
7) The chassis is stiffer than just about anything out there.

Had I only reviewed the original R2C2 damper, I would have similar thoughts overall. But the updated damper was good for those with a propensity for a firmer ride and the RC2 a diamond in the rough.

Just wanted to chime in as this review should be taken with a grain of salt (as should mine!)
  • + 8
 Price differences here in the Far East are even more pronounced for suspension forks. The Durolux is about $420, the Lyrik is about $890, while the Fox 36 is a cool $1030. With these prices, the Durolux becomes an even more compelling choice.
  • + 2
 Yeah, mine was bare bones cheap, literally like half the price I would be spending otherwise.
  • + 7
 Besides the suntour story there is something i find way more shocking: A rock shox yari has the edge on whaaat? You high, pinkbike? It might have the edge on a pogo stick, but that damper can‘t be called a damper. It is a disgrace and feels terrible. No shims in sight, 15 year old effin shit orifice design. How do you evaluate dampers? Try no comp damper like the old domain 302, i think you‘ll love it! Please do a comparison on aftermarket tuning dampers adapted to your weight. And then use that knowledge as new benchmark when you test the next bunch of forks. Upped your game right there, you don‘t have to thank me, you‘re welcome pb ;-).
  • + 2
 Agreed..... Have a new bike with a Yari and it is abysmal aside from being a fairly sorted chassis. My 2012 RS Revelation, while not a refined or high end damper, does laps around the Yari.
  • + 5
 I had a Durolux R2C2 after using a Pike for 2 years. Honestly, It´s the heavyer outhere, but the stiffer too. The Qloc axle is the better, by far. The integrated muddfender is awesome, as well as the service ports. Of course the fork works more like a DH fork than an enduro one, but that´s obvious (on the other side you can try the Auron). About THAT noise, it´s not louder than a Formula 35.
What I think is that in this case, PB just put the focus on the negative issues of the Durolux, a fork that really like every person who had the opportunity to test.
  • + 1
 I agree re negative issues. I suppose they will be kinder to other brands.
  • + 6
 So confusing!
How can this review be so negative and another one on Vital just a few days ago very positive?
www.vitalmtb.com/product/guide/Forks,33/SR-Suntour/Durolux-29-R2C2-PCS,21252#product-reviews/2946
  • + 10
 Interestingly, Vital seems to have had a similar experience though - issues with the original R2C2 damper, sent it back, got an updated R2C2 and a RC2. Vital preferred the cheaper damper as well. So conclusions ended up being similar, but overall Vital was much more favorable... maybe they just don't mind the damper noise / were less turned off by the setup hassle.
  • + 10
 @bkm303: @derhasi - I rode the fork on behalf of Vital. I think there are a few things at work here...

1) Mike tended to focus on the fact the R2C2 wasn't up to his liking, and the RC2 was noisy. I focused on the fact I found the RC2 to work splendidly, even though I too found the original R2C2 to be a bit underwhelming and the updated damper to remain a bit on the firm side.

2) I'm heavier than Mike.

3) I could care less about a noisy damper. (though I did note it)

I understand why Mike has a negative feeling toward the fork, its kind of confusing to review multiple configurations at once, especially when early configrations miss the mark. I suppose I just chose to focus on the positive, what the consumer will receive (which isn't what I was originally on) and also note who something might be for and why.

At $700 there is nothing at this pricepoint that performs as well. The Fox 36 Elite GRIP fork has a better air spring, but its also $100 more and doesn't have service ports - a nice touch.

I can objectively say I put down some of my fastest times all year on the SR Suntour Durolox 29" 150mm RC2. YMMV. Its a good fork at a good price. Sounds like they are putting the other damper back on the drawing board.
  • + 4
 Perhaps the real secret to the like of Rockshox and Fox is not necessarily that they can make a great fork but that they can make a fork that everyone agrees is great. Maybe their forks are so well honed they’ll perform well no matter the conditions, no matter the trails, the rider, the bike, etc.
  • + 4
 This drives me to the decision that I pay 100 bucks more and have zero doubt to my purchase...
  • + 1
 @JeffreyJim: the grip damper in high speed chatter is ridiculously bad, also I'm 230 lbs but my fox 34 with the fit is miles ahead of my 36 with a grip damper.
  • + 1
 @SnowshoeRider4Life: agree to disagree here. Myself and a few other product testers with extensive background in suspension testing, bike testing, product development and top level racing agree that the GRIP damper is among the best dampers Fox has ever produced. There are a lot more variables than just damper design that can contribute to performance in high speed chatter.
  • + 1
 @SnowshoeRider4Life: I am your weight and find my Factory 34 to be terrible at high speed chatter.
  • + 4
 I don't understand why the pike dj fork that has a over 50% failure rate got a positive review but this gets a horrible review? Reading from comments here I'd say alot of people are happy with it, way more than the pike dj. Pb should create some review standards.
  • + 6
 Nice to read an honest review!
And I may be nitpicking here.. but I would be seriously surprised if that noise really comes from "cavitation".
  • + 2
 So many misconceptions about it, we need to get a physicist to make a blog clearing everything up.
  • + 4
 I wonder if that SR Suntour response would be the same if that was a punter saying they were having issues..... Not trying to be skeptical, but I reckon the response would not have carried on after the listing of race wins.
  • + 3
 It didn't. I had them them brag about how many top level riders ride the fork when I complained to them.
  • + 1
 @Buggyr333: I knew it would be like this..... sorry to hear mate.

I was one of the first having issues with guides, Told SRAM they were locking on, got told and I quote 'learn how to brake'

Now as soon as a magazine or website report the same issue they sing like canaries and admit all. If only the big companies treated the punters like they do the media hacks we would be doing alright
  • + 3
 +1 my almost new durolux r2c2 has stanchion wearing. I rode it =50h. Warranty in Poland sucks no stanchion replacement ... and it definitely happened by seals defect.
For these money i could have used fox 36 kashima in exellent condition or bos deville :/
  • + 1
 "...look, man, I've got certain information, all right? Certain things have come to light. And, you know, has it ever occurred to you, that, instead of, uh, you know, running around, uh, uh, blaming me, you know, given the nature of all this new shit, you know, I-I-I-I... this could be a-a-a-a lot more, uh, uh, uh, uh, uh, uh, complex, I mean, it's not just, it might not be just such a simple... uh, you know?"
  • + 1
 @SRSuntour does this:

SR Suntour's Response: "SR Suntour would like to thank Pinkbike for their in-depth testing and honest evaluation. The R2C2 cartridge has been ridden and evolving for 2 years now under toughest conditions. It has seen multiple WC DH wins, Rampage wins, Megavalanche wins and NAET overall titles.

However, technologies on such a level can fail sometimes and we have realized it is not perfect. Its long-term performance is not meeting our goals and we are immediately seeking the reasons and will relaunch once solutions exceed those goals. We believe the RC2 PCS platform is solid and reliable, we are looking at reducing the possible noise. Customers with R2C2 forks/ cartridges please contact one of our global service centers or via Facebook or Instagram for a tuned replacement."

really mean i should contact my local support and then i will get a new cartridge?!
  • + 1
 Yes, RC2 PCS.
  • + 1
 I've had a number of SR Suntour forks over the years and I have generally loved them. The Auron and the Durolux in particular are serious contenders. I think I'm also a believer after riding them and then seeing their athletes win at Rampage, WC downhill and xc races, and enduro events.
  • + 1
 Don’t get the point of mentioning weight without actually checking the real weight?
For 36 float is way heavier then 2000 grams.
The pike I had was 200 grams heavier than “official weight”
MRP, DVO and Formula weight as much as they claim.
  • + 5
 All the weights I mentioned are actual, and verified on my home scale.
  • + 1
 I noticed how pictures on the scale from various mtb sites are always lower than pictures on the scale from actual users. The fox is generally 2040-80. There is an German online store that weights all components they sell. Fox and RS stuff, especially the second, are consistently well over the official weight.
  • + 5
 That was a really bumpy review.
  • + 9
 Sr really took some big hits on this one, but I'm hoping they'll be able to bounce back.
  • + 0
 Managers must be putting more pressure on their designer team now that review is out
  • + 4
 I think they’ve been very progressive in their response
  • + 1
 I bet this has put a real dampener on proceedings.
  • + 2
 Big boys also screw up now and then, however you have to go to the coment section to read something bad about them, when some angry customer decides to share their experience with us.
  • + 1
 I had a 26" Durolux with the RC2 Damper, and I thought it was great. Exceptional value, and good durability. I'm surprised they're getting these kind of problems on their newest damper.
  • + 0
 So Suntour sends PB a PRODUCTION fork for a review article. The dude in charge of writing said review immediately has problems that are a direct result of the design of the cartridge/fork.
When Suntour hears of this, they decide to go back to the drawing board and pull the fork off the market(if I read it right).
If this is true, my questions in this:
Doesn't Suntour [extensively] test their products BEFORE they release them to the public?
If they don't, they've gotta long career of equipping Walmart/Toys-R-Us bikes to look forward to-and NOTHING more.
If they do, then the conclusion one reaches is that Suntour(like SRAM) feels that it'd be more beneficial(for THEM) to just 'deal' with problems on an 'individual' basis as they pop up, i.e. sell a crap fork, then let the customer deal with their warranty process.
This is why I don't buy SRAM products.
  • + 2
 @YoKev - We test, we test a lot. Not pulling fork IE Durolux 29, but taking step back with R2C2, this fork with RC2 PCS is solid performer, consistent and durable.
  • + 2
 Perfect nominee for PB Product of the Year and PB Advent Calendar Giveaway!
  • + 1
 Very tough Market. One little thing is wrong, people will buy a different fork. To come with fox, you need similar performance at a lower price
  • + 3
 Clearance for 26" tires? #26isntdead
  • + 1
 Huh, so what about the generally positive reviews the 27.5 version had with the R2C2 damper? Does that mean the people who got the 27.5 version better chuck theirs away?
  • + 3
 I think I’ll stay on the DVO fan wagon for now.
  • + 2
 I changed my RS PIKE on Durolux R2C2 and it was a god decision Smile Suntour is much better and stiffer.
  • + 1
 Same here!
I am 103kg/227lbs. Got my Durolux 650b R2C2 180mm on my free ride bike.
  • + 1
 That's still not inexpensive, but it will leave a couple hundred extra dollars in your wallet, does that not make sense or am i just retarded
  • + 0
 The R2C2 cartridge has been ridden and evolving for 2 years now under toughest conditions. It has seen multiple WC DH wins......
I cant seem to remember who has won a World Cup in the last 2 years on a Suntour Fork?
  • + 13
 Alexandre Fayolle
  • + 5
 @src248:I think Tracey Hanna may have won a couple.
  • + 6
 Tracey Hannah.
  • + 3
 Tracey Hannah
  • - 4
flag RideTahoe707 (Dec 5, 2017 at 9:30) (Below Threshold)
 @src248: Mind you, Lourdes was a wet one for the second half of the field, conditions were most likelyteh biggest factor, not the Rux damper and performance.
  • + 9
 Mick Hanna 2nd place at worlds in 2018 and Florent Payet 3rd at worlds in 2017 to add a few more to the list. On production forks
  • - 1
 @src248: WTF is A. Fayolle?
  • + 3
 Not only on the racing side has that cartridge / fork been piloted to the podium. 2x Sorge took the R2C2 to the top of the podium at Rampage. Carson Storch has made it to 3rd and best trick. Not that all the freeride side does is about podiums....Doerfling, Mathews, Tippie, etc have been thrashing that cartridge a couple seasons.
  • + 1
 Have they added oil in these forks, my durolux has no oil just seal grease to lube
  • + 1
 @christillott Production forks do not come with oil only grease, allows less mess to drop lowers more often, cleaning and re-lubricating. But it is OK to add oil, 5mL MAX cartridge side, 10mL air side, lightweight oil. If you do hang your bike from front wheel so that oil can keep oil wipers lubed, key point.
  • + 1
 does he install spring (soft version of negative spring) to damper side ???
  • + 3
 That spring sent was installed to lengthen the compensator chamber to prevent cavitation.
  • + 1
 Pity, would have loved to see this fork thrive and be up there with Fox and RS.
  • + 2
 My Durolux RC2 26" works like a dream.
1 year of use and no problems.
  • - 1
 Regarding the Q-loc axle. Care has to be taken when locking the axle in place, I have slightly elongated the hole on the locking side of the stanchions on my epicons, making it impossible to fit without any wheel wobble.
  • + 4
 Send us a message and we shall see what we can do to resolve.
  • + 2
 Woah... kudos
  • + 1
 Never buy a Suntour, okay!!!!
  • + 1
 A friend of mine still runs his Sr Suntour Epixon, he prefers it more than his previous fork the Fox 34. A lot of downhill riders seem to run the Sr Suntour RUX fork, saying its a pretty good fork and quite comparable to a Fox 40. I'm running a Sr Suntour XCR on my 4x bike and it hasn't failed me or had any major issues. Sr Suntour is not the same company you think it was back in 2006
  • + 1
 For the naysayers, spades and spade.
  • + 1
 I'm only riding it once James dorfling endorses it.
  • + 2
 I like cheese
  • + 1
 Keep reading 2.6" and 26". Then I get sad when I realize.
  • + 1
 So what exactly is an 'e bike specific guard' anyway???
  • + 1
 So, Durolux 29 R2C2 is off the spec sheet.
  • + 2
 Vital liked it !
  • - 1
 Let's hope this fork has all the parts installed and doesn't fall apart after one ride...
  • + 1
 SR Suntour 2013- 2017=/= SR Suntour 2004.
  • + 1
 @carfreak2000: I've had issues with 2013-2016 fork. Maybe the ones are better.
  • + 1
 @treekilla: What fork have you been using?
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