Cross Country Racing Give it your all with the XC 900 full carbon cross country racing hardtail. Get to the finish line faster with the ROCKSHOX REBA RL 100mm fork, MAVIC Crossmax wheels and SRAM GX EAGLE 1X12 drivetrain.
The entire design and development of the mountain bike was completed in B'twin Village in Lille, France, as a result of the hard work of our team of mountain bike experts. The Rockrider team has designed and tested this XC 900 mountain bike, involving XC mountain bikers at every stage of the project. The bike is assembled in our own B'twin factory in Suzhou.
Choosing your mountain bike size
Several sizes available:M: between 1.60m and 1.74mL: between 1.75m and 1.84mXL: between 1.85 m and 1.95 m
Full carbon Rockrider Cross Country frame. We have optimised the carbon fibres to improve the rigidity and lightness of the mountain bike.The frame is handmade.ESR-compatible (Electronic Shifting Ready) frame with special pass-throughs for electronic cables.Rear axle Boost 148mm x 12mm."Press fit 92" bottom bracket.27.2mm diameter seat post.
Rockshox Reba RL front suspension with 100mm travel. Lockout controls at the handlebars using the Combo Lock grip. 15X110mm Boost standard.
SRAM GX Eagle drive train, 1x12 single chainring, for easier pedalling and climbing. SRAM Truvativ Stylo crankset with 34-tooth for achieving greater speed. SRAM XG1275 Eagle cassette with 12 cogs: 10/50 teeth.The 50-tooth cog ensures good gear ratio for climbing more challenging sections, whilst the 10-tooth cog is ideal for maximum speed.
Handlebar / stem / steering / grips
Keep stable and find your attack position. 680mm wide Rockrider Comp Flat handlebars.
Saddle / seat post
For maximum lightness and comfort, the XC 900 is equipped with a 27.2mm diameter B'Twin Carbon seat post. The 400mm length allows a wide range of adjustment.The Rockrider XC/AM saddle provides comfort as you pedal.The saddle weighs 265g.
SRAM Level T hydraulic disc brakes. 160mm disc rotors front & rear.
29" tubeless ready wheels, 15X110mm at the front and 148X12mm at the rear. Inner rim width: 22 mm. Tubeless Mavic rim strip. UST valve included. Sealed bearings. Weight of both wheels without tyres: 1735g
Lifetime warranty on manufacturing defects for all metal frames, rigid forks, stems & handlebars
5 years warranty on manufacturing defects for carbon frames & forks
2 years warranty on manufacturing defects for all other parts
*Excludes normal wear & tear, damages arising from misuse, negligence and unauthorized modifications