Arbr Unveils Production Ready RB2 29er

Oct 7, 2019
by James Smurthwaite  

We first saw a prototype of Arbr's new 29er at the Bespoked bike show back in May, now nearly six months on, they have a production version ready to go.

The bike was designed to be a bit more of an all-day machine when compared to the winch and plummet, 27.5" Saker. The rocker mechanism is similar to that used on the Saker but dropped lower in the frame and the droplink to the rocker sits below the bottom bracket rather than above. The idler pulley design has also gone to improve pedalling efficiency and reduce weight.

The original raw carbon prototype was definitely better received than ARBR's first bike, the Saker, in our comment section and there haven't been too many changes made since then. The main aesthetic difference comes in the seat tube where a bulge has been added so that the recent longer travel posts to be dropped all the way to the collar.
RB2 Details

Frame: British made carbon, 160mm travel
Recommended fork: 160-170mm travel
Wheel Size: 29"
Rear Shock: 230 x 65mm
Head tube angle: 64°
Seat tube angle: 78°
Reach: 485mm
Chainstay: 448mm
Sizes: Only one available
Available: November
Price: N/A
More info: arbr.bike

Production.
Prototype.
The new seat tube kink is designed to accommodate longer travel dropper seat posts.

Other than that, the summer spent testing hasn't yielded too many changes to the version we saw before. A rubber strip on the chainstay has now been replaced by a molded chain guard with noise dampening nobs and there will also be a chain retention device that wasn't fitted on this bike.

While it has a bit more of an all-day outlook, the RB2 is still a 160mm travel bike and can be fitted with either a 160mm or a 170mm fork, so it still has plenty of descending credentials. With the longer fork, the bike has a 64° head angle, a 78° seat tube angle and a wheelbase of 1275mm. It looks like only one size is going to be available for now and that has a reach of 485mm and 448mm chainstays.


Rob Barr, the man behind ARBR believes that the RB2 will take over the majority of manufacturing time for the brand. The bike will be compatible with both air and coil shocks. Robert hasn't finalised prices yet but is expecting it to be cheaper than the £4,395 Saker with a Float X2



bigquotesThe RB2 is the second model in our line up, sitting alongside the Saker, and I expect it will take up the majority of manufacturing capacity.

The frame builds on feedback from the Saker and evolves design details. The Saker is descent focused with a high pivot and idler, designed to pedal up and descend like a short travel downhill bike. The new frame retains a focus on the descents but has broader intentions and has been designed around a lower pivot to increase versatility. At the front you can run a 160mm or 170mm fork and with a 170mm fork the head angle is 64 degrees. It’s crazy fast and incredibly capable!

2019 has been spent testing and we’ll release final production details towards the end of the year. Frames will be manufactured to order and the yearly volume limited.

….and you can fit a bottle cage!
Rob Barr


The Saker

The Saker has been updated too, although that was only to bring it in line with metric shock sizing. We've never posted it in the flesh with the full paint job before so here's its second chance to win you over.





159 Comments

  • 187 1
 beautiful swingarm, and bike overall
  • 32 0
 Fo real! We need more of these bad boys. Toss a 190mm 38 on there and you've got the sickest "park" bike out there.
  • 65 1
 Marin should hire Arbr to redesign the Marin R3ACT Naild bikes.
  • 10 0
 Agreed ! I think it's really good looking and original.
  • 7 0
 That’s just sexy.
  • 56 36
 I am impressed, confused and a little horny. To me this bike looks like that chick you meet at a club and you're unsure about taking her back to your place because you don't know whether she is sketchy and you will probably contract some STIs from her or genuinely into you - but she's really pretty and fun so you take her home anyway because what's the worst that can happen and one thing you can be sure of is an interesting experience.

In other words; I'm confused and sceptical but I'd ride that.
  • 2 0
 Wow, would love to take that for a rip, looks like the new scool super d.
  • 18 1
 How hilarious that this bike has gotten such universally positive comments on its looks after their last one got literally the worst shit-kicking that PB commenters have ever delivered for its aesthetics. Even Polygon and Marin never got raked over the coals like the Saker did - www.pinkbike.com/news/arbr-bikes-launch-2016.html

Guess that's a good sign that the designers took that feedback on board for this one!
  • 3 1
 38? What’s that @UNITEDFREERIDE:
  • 6 2
 Heeey! Is that your dropper post or are you just happy to see me?!
Ba-daa-chah!
  • 2 1
 @acali: By "redesign" do you mean binning the R3ACT system and just doinging an RB2-like single pivot? LOL.
  • 6 1
 @the-mountainbart-experience:

Was her name Lola?
  • 6 1
 @Socket: "the worst"? Obviously you weren't here for the Redalp. Wink I'd have said you forgot it, but that's forever seared in the mind. Razz
  • 1 1
 @evildos: I wouldnt call it overly original. This isnt that much of a departure from the old RMs or Chumba Wumba's. Definitely differant from what were used to seeing currently though
  • 1 1
 I remember that hahaha they got ripped so hard @Socket:
  • 2 1
 Nice ass
  • 2 1
 We finally get a 2019 version of the Rocky Mountain RM familly ! It was about time that this classic and absolutely killer style made a come back ! So refreshing compared to a "Session" bike.
  • 3 1
 @freeridejerk888:

A unnecessary marketing step from fox to "fill a gap" between 36 and 40,that from a travel functional point of. View never existed.
Perhaps it is be aus of Manitou's mezzer with 37mm stanchions. But in contrast to fox it made sense as the 34 mattoc left a huge gap to the dh fork. Especially it was limited in 29 inches with only 140mm of travel
  • 43 1
 What does a cold pirate say? Arrrr Brrrr!
  • 2 1
 What's a Pirates favourite letter?
  • 9 1
 How much do pirates pay to have their ears pierced......... buccaneer
  • 1 0
 @stevil-1: HAHAHAHAHAHAHA
  • 35 1
 Looks clean and the geo numbers seem on point too. Let’s get a review.
  • 16 0
 64/78 geo numbers are gonna be what everyone's chasing after in 2021.
  • 56 6
 @dkidd: 63/79 for 2022 62/80 by 2023, 52/90 by 2033 and I’m glad I’ll be dead by 2053
  • 2 3
 @dkidd: Not me!
  • 2 0
 @dkidd: I'll gladly buy 2nd hand today's bikes by then
  • 2 0
 @JesseE: How is it being able to see the future ?
  • 2 0
 @WAKIdesigns: Well you never know that, genetics might come with help ...
  • 2 0
 @ismasan: I might be able to afford the second hand by then too!
  • 1 0
 @WAKIdesigns: “I don’t wanna live....to be thirty three....I don’t like what I see going on around me”
  • 1 0
 Oops, it is forty three..
  • 1 0
 @WAKIdesigns: with advances in modern medical technology we will be able to transfer your consciousness into a bike by then...
  • 1 0
 @WAKIdesigns: Hahaha made my day, funny comment!
  • 29 0
 The chain goes Skrrrrrrrrrah Pap Pap Kak Kak Kak.
  • 6 0
 Skittyte Pap Pap Pap!
  • 23 2
 This looks like a DH rig but with a wider cassette and single crown fork. Badass bike
  • 21 1
 Awesome paint though!
  • 5 3
 Speci Stumpjumper has the same... Looks phenomenal
  • 2 1
 2020 Kona Process 153 too.
  • 14 0
 Just had a trouser accident.
  • 34 22
 Looks like a scooter
  • 38 9
 No it doesn’t
  • 15 13
 I rather have it looking like a scooter and being a bicycle than looking like a bicycle and actually being a moped*(E-bike)
  • 3 0
 @chriskneeland: 26x19 aint dead!
  • 6 1
 Looks like 3/4 of a s
Session
  • 2 0
 @chriskneeland: You can't!
  • 5 2
 @chriskneeland: I can't unsee it because I didn't see it in the first place
  • 2 0
 It looks a lot more like a moto trials bike to me. It just needs a long fender off the back of the seat mast
  • 1 0
 @chriskneeland: Not gonna lie, those scooters look crap but I still want one. However if I had the disposable income I'd have one of these ARBRs first...
  • 5 0
 @Fix-the-Spade: I love the one with the Fox 40. As if there's 200mm of clearance before that frame hits the ground.
  • 1 0
 @henricksen: You are 3/4 right!
  • 10 0
 Not diggin the orange fork but otherwise looks awesome
  • 2 0
 Specially with the purple frame, that's just wrong.
  • 9 3
 Maybe I just don't get it but.... WTF is it with companies announcing product when it is not ready to ship?!?! Don't you want to save your marketing push and get people excited and to pull out their wallet? Are you not spending money and letting excitement fade? Santa Cruz announces a new bike and they are in shops ready to buy. Past just a very few brands, this pre-launch marketing push seems be the norm. I personal find it really annoying. For me it needs to be ready to ship and in stock, other wise I will go elsewhere.
  • 4 0
 Yeh I'm with ya on this one, so many brands with press releases for something that isn't going to hit any shops for at least 6-12 months, if they even have a distributor in your country sorted, Manitou Mara shock is another prime example just recently
  • 2 0
 That strategy makes sense to me. I have held back on buying a bike awaiting new models. If bike companies let me know they have something I might purchase, then that's money I don't spend on some other bike.
  • 2 0
 At a guess, I would say they are taking pre-orders to help with cash flow. For a smaller company that may not be able to fund a solid production run prior to making a single sale, this would be a much safer launch.
  • 5 0
 @Arbr can I suggest making the bulge for the seat post a removable shield giving easy access to hook up the seat post and cable. You could offer a shield with a built in tool carrying system that occupies the space towards the bottle cage.
  • 10 1
 Looks sick.
  • 3 0
 Sick looks
  • 1 0
 I dunno, this one actually exists.
  • 7 0
 One size? Who do they think they are, Unno?
  • 7 0
 Reminds me of a Klien. Looks stunning as fuck !
  • 8 1
 I would buy that bike dinner first.
  • 7 0
 Upside down bottle cage FTW
  • 13 7
 Set me free why don’t you babe, set me free why don’t you babe, cuz you don’t really love me, you just keep me hanging on
  • 2 0
 does USD bottle cages suffer from torsionnal suppleness?
  • 1 0
 @faul: Lots of men have torsional suppleness issues, see your dentist today.
  • 6 0
 Very 'moto' - looks beautifully made / finished.
  • 3 1
 Neat bike and nice geometry numbers for an M. I want tobsee the antisquat values (they are probably spot on what I am looking for), kickbak and leverage ratio. And if you guys then offer a longer one it might be my bike. I love the fake interal cable routing. ISCG tabs?
  • 5 0
 Wow ancillotti will have a field day with this design!
  • 1 2
 ancillotti has a bb concentric main pivot, this doesnt. huge difference.
  • 5 0
 one of the coolest bike I've ever seen
  • 2 1
 Everybody talks about how it looks bla bla bla. For me the coolest part of this bike is how they rooted the cables. The cover not only covers the cables but serves as a protection. It's the most wondefu idea I've seen this year.
  • 2 0
 Ibis did this 10 years ago - check out the original Mojo HD
  • 1 0
 I really like this bike and would consider buying one, but at that size I assume with my short ass being 5'6", that a 480+ reach would be pretty insane. Even though the stand over and seat tube lengths are fairly short?

Edit. wait, nevermind, I saw the price of the frame only Saker at 4400 pounds...
  • 1 0
 extreamly beautifull frame! I also believe that it will ride very good, as long you are not heavier than 70-80 Kilos. Otherwise it will probably feel like cheese at the back. And also the fact that they offer only 3 years frame warranty makes me a little skepticle. But still very beautiful and minimalistic frame.
  • 6 2
 That rear is not going to laterally flex like crazy... noooo
  • 3 0
 I'd love to see a comparison between the Saker and the Forbidden Druid. Battle of the high-pivots.
  • 5 0
 Looks like a TVR Tuscan.
  • 1 0
 Fabulous design and paint job!
  • 2 0
 Faster than your run to the bottom is the time it takes to lose your water bottle. Maybe leave that cage off and run a pack.
  • 4 0
 Oh for f saker
  • 4 0
 Nice
  • 4 0
 Stunning!
  • 2 0
 love the looks, people complain when its generic looking complain when its not!
  • 2 1
 Nice photos, looks like the top of pitch hill, hope it went down via thick & creamy or Indian summer! Beautiful looking bike!
  • 1 0
 On the ARB2, Chain slap much? Why does every new bike have the chain so close to the chainstay?? Bikes that, bikes looks great.
  • 2 1
 So this is just a single pivot bike with a pull link for the shock ….correct? I don't see any advanced kinematics under there.
  • 2 0
 And why should you see any 'advanced kinematics'? Does every new bike have to have some sort of new, unseen before advanced kinematics going on?
  • 3 1
 It should come in Ferarri red color and it would be the best looking bike out there..
  • 3 0
 Wonder if it will cost more than a new Hyundai
  • 2 0
 Man this chainstay is so rad. Reminds me a lot of the old Yamaha Rotec's, that was a pretty sickk bike
  • 4 0
 What a beautiful bike!
  • 2 0
 Genuinely curious who exactly a 5000+ dollar frame is marketed towards. Don't even say dentists.
  • 3 0
 Is it pronounced ABBA?
  • 14 0
 Only in New Hampshire
  • 2 2
 @Camstyn: You've won today. Know that.
  • 3 0
 @Camstyn: Don't you pin that Massachusetts bullshit on us.
  • 1 0
 @Session603: Yeh more additional arrrs... Granite State ladies I've known: Brender, Linder, Saraer...
  • 1 0
 @WoodenCrow: This is fair.
  • 2 0
 That's nice! Has a Rocky Mountain RM7 sort of thing going on.
  • 2 0
 didn't know i'd be replacing my Patrol next year until now......
  • 1 1
 Shouldn't it come with a dual crown fork and sans dropper. Looks like a dh bike to me, can't see pedaling it for hours. Looks great though.
  • 2 0
 How does that water bottle stay in on big drops?
  • 1 0
 Or rough terrain. that thing is absolutely coming loose
  • 3 0
 This is gorgeous.
  • 1 0
 And the award for best execution of a bike everyone has draw on a napkin at some point or other goes to....
  • 1 0
 Hope there will be a raw version, that prototype looked like pure sex in black!
  • 1 0
 Good looking bike but that shock linkage placement seems like it would take some shots down there.
  • 2 0
 IF YOUR CHAINSLAPPA AINT NUBBED GTFO YAHURDME
  • 1 0
 From certain angles, sorta looks like one of those bikes with an "E" that shall be unnamed...
  • 1 0
 Looks amazing. Like the look of the hole fream and swingarm. but it's still just a singlepivot suspension.
  • 1 0
 Thats just the sexiest Bike in a looooooong while and the Numbers sound very good too
  • 1 0
 everything i learned in engineering school tells me that rear "triangle" is a bad idea.
  • 3 1
 Nope
  • 1 0
 Yep, the saker still looks odd with paint on it
  • 1 0
 Different, but I kinka like it!
  • 1 0
 Oh mumma! It sure is pretty.
  • 1 0
 Wow I’m definitely on board with this design, looks fast and solid.
  • 1 0
 Whoa! Don't see *that* every day.
  • 2 0
 Gorgeous
  • 1 0
 Ancillotti scarab - carbon
  • 1 0
 Will there be a 30.25' wheel option in the future?
  • 2 0
 looks fucking amazing!
  • 1 0
 doesn´t look too safe, since their is no seatstays
  • 1 0
 Looks like a Devinci Wilson except whatever that chain stay is
  • 1 0
 That is a gorgeous bike, wow!
  • 2 0
 Holy crap that is dope
  • 1 0
 swingarm remainds me a Rotec
  • 1 0
 Sick transition tues. but for real this bike looks amazing.
  • 1 0
 Omg so much want. Gonna donate blood plasma every month now hahahahah
  • 1 0
 It’s got a freakin boner...
  • 1 0
 Kinda reminds me of a Devinci Wilson but with no seat stays
  • 1 0
 Nice bike for the dream bike category.
  • 1 0
 super sick looking bike. got my attention.
  • 1 0
 This bike looks like an RM6 met a canyon sender. I like it a lot.
  • 1 0
 An Ancillotti scarab photocopied in carbon?
  • 2 0
 Ancillotti not Happy.
  • 1 0
 Tomi may not be happy, but it was obvious Someone was going to do it. And I own an Ancillotti Scarab Evo 29...
  • 1 0
 This looks like an old Rotec
  • 1 0
 Right, where are all those 'pre-approved' credit card letters......
  • 4 3
 Looks like a Saker
  • 1 1
 How stiff do you think the rear end is?
  • 1 0
 ISCG-05 tabs?
  • 1 0
 Stunning bikes
  • 1 0
 Climbs like a goat!
  • 1 0
 Such a beauty
  • 1 0
 Clean and beautiful! Wink
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