Fox's New 4-Way Adjustable Fork Damper - Crankworx Whistler 2017

Aug 16, 2017
by Mike Levy  
Fox


Trek's Andrew Shandro was spotted rolling through the Crankworx festivities today with a rather sharp looking Slash, but there was something far more interesting about his bike than the glossy root beer-esque colors courtesy of Trek's Project One shop. The bike's fork, which appears to be a standard Fox 36 Factory Float, is actually home to a brand new damper that is most definitely not a FIT4 system, despite the misleading decals on the lowers.

So, what is the damper? My guess is that it's an evolved version of Fox's much-lauded FIT GRIP damper that's much more adjustable compared to the price conscious version used in Fox's other GRIP forks.

What's the difference between a FIT4 system and a FIT GRIP system? The FIT4 damper is closed and all of the damping oil is sealed inside of the cartridge, it's bled free of air, and it also uses an extruded rubber bladder as a compensator for oil displacement as the fork is compressed. The FIT GRIP damper is also closed, but it employs a spring-backed internal floating piston (IFP) as a compensator - it does the same job as the bladder in the FIT4 damper - but, according to Fox, has completely different anatomy. ''They are both FIT (Fox Isolated Technology) sealed cartridges, but use different design architectures,'' Mark Jordan, Fox's Global Marketing Manager, explained to me in my review of Fox's 34 Float GRIP fork.

''Simplifying things a bit, the FIT4 design uses different flow paths to achieve different compression damping settings, while the GRIP damper increases / decreases force on the shim stack to regulate the compression damping.'' Rather than being a budget version of the FIT4 damper that's manufactured with more cost effective components, the FIT GRIP damper is so different that it doesn't actually share a single part with the FIT4 design.
Fox

Fox
Fox


The 34 Float GRIP fork that I reviewed last October impressed me with its performance, but the damper in Shandro's fork is likely a different animal - the big news is that it has separate low-speed and high-speed compression dials at the crown, and also separate low-speed and high-speed rebound dials at the bottom of the leg, making it a four-way adjustable fork to match their X2 shocks. I wouldn't be surprised to learn that this damper has been used, or will be used, in other longer travel forks as well.


90 Comments

  • 47 5
 I'm not one to talk wheel size, but something ain't right with that first pic.
  • 6 4
 Adjustable head angle broWink
  • 20 2
 @vonroder77: No way, that changes wheel size? Who knew all i needed was an angleset!
  • 16 1
 @YouHadMeAtDrugs: don't spend money on the angleset. Just throw a 24" on the front, PoW! Steeper head angle. LOL!
  • 3 0
 @vonroder77: Ahhh, i feel ya!
  • 10 2
 Either its just perspective playing a trick with photography of theres a 29" in the back and a 27.5" in the front. If we really wanna get scary. Theres a 32" in the back and 29" in the front.
  • 6 0
 @chillrider199: You cant loose with 32's
Smile
  • 8 0
 I had to zoom in on the second picture to confirm that's a 29er rubber. Bloody optical illusions happening in that first shot!
  • 1 25
flag inter71 (Aug 17, 2017 at 0:11) (Below Threshold)
 Haha. Shit photographer.
  • 8 1
 I don't know about you peeps but that frame makes me crave an A&W Root beer!
  • 1 3
 2 pictures down you can see the 29x 2.4 tire size.....
  • 1 0
 @vonroder77: bitch that's what's up
  • 2 0
 @kubaner @chillrider199 It's a combination of a wide angle lens and the front wheel being slightly farther from the camera than the rear creating an illusion where the front wheel appears smaller than the rear.
  • 1 0
 @meathooker: it was all a clowning around.
  • 18 1
 Phew. It really was time for some new super invention. My last 36 is already like 2 years old. Time to buy a new one!

I'm an engineer myself and I am really puzzled by the development-cycles in mountainbiking. One year is really not long if you want to come up with a good product. For my own sake I ignore the "just slap some new stickers on it and sell it as this year's hot shit" stuff.

But maybe I'm just a reeeeeally slow worker. Who knows...
  • 2 0
 Well this new object is a design evolution of the grip damper, recently released. I'd bet they had a team design the fit grip at the same time they designed the grip. What we're seeing is probably not a design lag, but a product release date designed with some specific purpose.
  • 17 0
 Thank god we are getting all our dials and knobs back! ????
  • 12 0
 @mikelevy what makes you think it's a Grip replacement/evolution? Surely with independent high and low compression and rebound this would put it above the current Fit4 Factory in terms of adjustability? Either way looking good!
  • 5 0
 I think he means it uses an IFP rather than a bladder
  • 1 0
 @Creg: Looking forward to this! I think you're probably right...
  • 15 1
 Unless Mike isn't telling us all that he knows, I also can't see this being anything other than a R2C2 damper. Or maybe they've gone one better and done an R2D2 damper?!
  • 1 0
 @bogey: I'm sure they know more than they can say, there was a quote speculating about the RAD being an evolution of the Grip on one of the bike checks recently as well. What I most want to know is when it will be released.
  • 7 0
 #CTDISDEAD
  • 1 1
 @Boardlife69: its not.
ctd remains mainstream and r2c2 high end.
  • 6 1
 @bogey: R2C2 FTW.

Fox Shocks now seeing DisneyLawyer on the CallID.

"DO NOT PICK UP THAT PHONE CALL"
  • 19 5
 looks like some of those marzocchi engineers contributing their expertise to fox
  • 1 0
 This seems to be the same as the DBC from the Marz 380's. That has a spring loaded piston to control oil pressure inside the compression circuits.
  • 8 0
 So how isn't this the evolution of the RC2 damper?
  • 2 1
 Exactly... looks look finally an update to the RC2???... maybe R2C2... the rebound adjuster looks like it has 2 distinct knobs.
  • 1 2
 Maybe it is, but the only place I've seen separate low and high speed rebound is on twin tube dampers. I don't think it's possible with a bladder style design like the current RC2.
  • 4 0
 @Trailsoup: the principal of mono tube with separate high and low speed compression and rebound is what marzocchi have been doing for last 3years, but with added bonus that it's self bleeding hot oil out of and compression end sucking in cool oil to replace at rebound end.
  • 2 0
 @Trailsoup: The old Mission Control damper on my Boxxer Team is R2C2 and that certainly isn't twin tube...
  • 1 0
 @SonofBovril: Yeah but the lsc is useless in that damper, unless you weigh next to nothing.
  • 1 0
 @Trailsoup: Twin tube dampers separate compression and rebound regardless if it's got hi and low speed on each.
  • 1 0
 @LCW1: maybe RC4 ?
  • 1 0
 @Trailsoup: The bladder has nothing to do with how many adjustments the damper has. Your classic twin tube design can be sealed using an IFP, bladder, or any other wizardry you think customers will pay for.
  • 9 2
 Goodbye CTD, hello Fit4 for me!
  • 12 0
 Death to CTD
  • 3 0
 @letoy2: and so say all of us!
  • 7 0
 So it's a Fourk?
  • 5 0
 It's never ending with Fox. Every 6 months is a new damper. I can't keep track
  • 1 0
 I want to make bike parts, like a ground up bike, all to my specifications, but I'm sure there's like a 1bajillion very talented people clusterfucking their noggins in competition just to design the decal for Fox, let alone the actual product, so mine would probably be a turd no matter what. You can't say modern bikes aren't nice I guess, but I think as people we instantly take things for granted.
  • 7 6
 Yes! A fork that treats us like adults and gives us the freedom to make our own decision about how to adjust things. Thank you Fox. If this is too hard for you to figure out, quit mountain biking and take up rollerblading. No adjustments on those!
  • 3 0
 OH NO! What bearings shall i use? What type of wheels do i use? I do love adjustabillity of my fork though, very excited.
  • 1 0
 Rollerbladers!
  • 4 0
 Question of the day is can I put this in my 2016 '36? I want this upgrade m.
  • 2 1
 Swapped my FOX Performance Float 36 GRIP Damper for an Avalanche Racing Open Bath Cartridge & Adapter kit on my 2017 Fork and it is incredible! Just another option if you have the fork and want to take it to a new level. www.avalanchedownhillracing.com/Fox%2040/Fox%2036%20Open%20Bath%20Cartridge%20Kit.htm
  • 3 1
 Why didn't they come out with this like 5 years ago? They have the same adjustment knobs similar to what was on my 2006 Fox 40 below the fork.
  • 7 0
 Because they didn't own Marzocchi 5 years ago..
  • 4 0
 Let me know when it goes to 11
  • 2 0
 You are mistaken.......................................................................it has 4 different adjustments, not 4 settings.
  • 2 0
 @YouHadMeAtDrugs: More adjustments means more awesomeness, of course.
  • 3 0
 Aaaaand MTB suspension has reached what MX suspension was in the late 90s...
  • 1 1
 well... at the start of 2017 we had the normal fit4 36....5 months later we get the 2018 brand spanking new fox 36...( that nobody could tell the diference ...and 3 months later BOOM... an other fork !... 3 forks per year aint healthy....
  • 2 0
 I wish I could get a project one Slash... all I have to do is ride like Andrew Shandro, right?
  • 4 0
 Marfoxci C2R2?
  • 3 0
 Farzocchi? Marfocchi? Foxzocchi?
  • 2 0
 The bike is Brown. Just to be clear
  • 1 0
 Why does Casey Brown not have one in this color?
  • 2 1
 Damn that's cool. Super supple, and fast for small bumps, and super stiff, and slow rebound for big hits.
  • 2 0
 high speed and low speed compression do not exactly match up to small bumps and big hits. for example, hitting a small bump at high speed will use high speed compression.
  • 4 4
 Who need HSR and LSR adjuster anyway? I can see benefit on the compression side but for the majority this will not add much value. /Personal Opinion.
  • 1 0
 Dammit that was the paint job I was hoping they would use on the revamp of the RUMBLEFISH!!!!
  • 1 0
 If i owned a fox fork, I think I would trade all the adjustments for some mid travel support
  • 1 1
 Are there any benefits for the FIT4 GRIP damper besides being more cost effective?
  • 2 2
 I personally didn't like it at all and a few of my buds didn't either, they sold theirs and got the Factory Fork but I kept the fork and I Swapped my FOX Performance Float 36 GRIP Damper for an Avalanche Racing Open Bath Cartridge & Adapter kit on my 2017 Fork and it is incredible! Just another option if you have the fork and want to take it to a new level. www.avalanchedownhillracing.com/Fox%2040/Fox%2036%20Open%20Bath%20Cartridge%20Kit.htm
  • 2 1
 Whats the deal with that front axle?
  • 7 1
 Nothing weird about it. Ever seen a fox fork?
  • 3 0
 : it's an adjustamajig so your qr won't be pointed forward like a Joey.
  • 1 0
 @YouHadMeAtDrugs: no one said it was weird. I was wondering too. owned plenty of fox forks but none like this.
  • 1 1
 Will this work a a float 32? Currently have fit4 cartridge but can't get my fork to feel right, trying volume spacers next.
  • 1 0
 Been quite a while since we've seen the likes of Shandro.
  • 1 0
 They make 26?
  • 2 5
 Just give us the RAD damper - 1 dial so you can't get it too wrong!
  • 16 8
 If you want a retard fork just get a pike with one knob to turn
  • 3 4
 Doesn't come in Kashima. Besides RAD seems to work for Richie, Gwin and co
  • 4 1
 @poozank: you're not allowed to use that word anymore lol. He's probably not wrong in saying, with the exception of PB users who are clearly all gods gift to mountain biking, that most people usually get knob turning completely wrong.

I have a good system for adjusting lsc/lsr but would need to ask for help if you gave me two more knobs.
  • 2 0
 @Creg: Yeah that's because they get their forks tuned by the Fox mechanics at the races...
  • 1 0
 @friendlyfoe: If god wanted us to play with more than one knob he would have given them to us Wink
  • 2 0
 @Creg: pros have custom tunes us mortals need lots of dials then a mate who knows better
Below threshold threads are hidden

Post a Comment



Copyright © 2000 - 2020. Pinkbike.com. All rights reserved.
dv56 0.016953
Mobile Version of Website