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29″ WHEELS / 155MM REAR / 160MM FRONT

 

We spent years designing, testing, riding and refining this bike. The Rail29 represents the best of what we have learned since launching the Revel brand just three short years ago. We love our Rail 27.5, but 29” wheels, bigger bearings, beefier hardware, and an absurdly well-tuned CBF suspension platform make this bike something we are wildly proud of.

We like pedaling uphill almost as much as we like railing down the trail, and this bike’s climbing efficiency is truly impressive for a bike with 155mm of travel. The Rail29 will be right at home on the top of any enduro race track, the bike park, or all day epics in the hills. This bike exudes confidence in any terrain and will have you smiling for miles as you Rail corners and Revel the trail.

 

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Now on to the Details

Build Options

Details

Wheel Size 29″
Front Travel 160mm (170mm max)
Rear Travel 155mm
Fork 44mm Offset, 59mm Crown Diameter
Rear Shock 230mm x 60 – 22.2 x 8mm Hardware Spec
Rear Dropout Boost spacing 148mm
Rear Derailleur SRAM UDH 
Seatpost Diameter 31.6mm / 34.9mm clamp
Seatpost Insertion Depth 300+mm (all sizes)  *Verify tire clearance to dropped saddle at bottom out before use. 
Bearings 4x BOLU 6902V, 2x BOLU 3802V, 4x BOLU 6801V
Rear Brake Post Mount, 180mm direct / 203mm max
Tire Clearance 29″ x 2.4″ (rear)
Bottom Bracket 73mm BSA Standard
Chainring Max 36T Round / 34T Oval, 52mm Chainline
ISCG Tabs ISCG-05 Standard
Headset IS42 upper / IS52 lower
Bottle Mounts 2 (top and bottom of downtube)
Colors Lead King / Shred Velvet Cake
Sizes S / M / L / XL
Frame Warranty Lifetime Warranty(Details HERE)

 

 

Geometry & Sizing

Balanced, dialed geometry that is modern but not too modern. The bike has a 76 degree seat angle for a perfect balance between pedaling power and a centered rider position. The reach is slightly longer than our other bikes for a more aggressive, faster feel. A 65 degree head angle is the right balance between speed on the downhills and technical handling ability on all terrain. After studying these numbers, go give the Rail29 a test ride to see what it’s all about!

    Kinematics

Leverage Curve

Anti-Rise

Anti-Squat

CBF Explained

 

CBF™ focuses on designing around the Center of Curvature (CC) and balancing that with the Instant Center (IC). Until now, most suspension systems have focused solely on the IC. CBF points the chainline and drive forces directly into the IC throughout 100-percent of the travel by balancing the CC over the chainring, resulting in maximum pedaling efficiency, regardless of where you are in the travel, what terrain you are on or what kind of power you’re putting down. All the power you put into the pedals propels you one direction–forward—allowing the suspension to do its job completely independent of drivetrain and braking forces, and making the sag setting much less important. When we first rode the largely-unknown CBF system, we knew it was something special, and we knew we could make the best riding carbon mountain bikes using this magical formula.