Compare bikes: Compare Btwin Rockrider 900 27.5" Mountain Bike - Grey/Neon Yellow (2017) vs. Trek X-Caliber X-Caliber 7 (2017) - Findabike

KMC X9

Shimano M3000, 40/30/22

Front: Shimano Acera - Rear: Shimano Acera M3000, Shadow

Shimano Acera M3000, 9-speed

Shimano HG20, 11-34, 9-speed

Double-butted 6061 T4 & T6 aluminium frame. Sloping racing geometry: responsive, lightweight, easy handling. Oversize downtube for added stiffness and durability. Tapered conical head tube. Front triangle with variable thickness tubes to reduce weight. 1.8 kg in size M. Available in 3 sizes: M / L / XL. BSA 73 mm bottom bracket. IS rear brakes.

Alpha Gold Aluminium w/semi-integrated head tube, mechanically formed and butted tubing, race geometry, internal front derailleur routing, rack and mudguard mounts, G2 Geometry on 29ers

1-1/8" threadless, semi-integrated, semi-cartridge bearings

Front suspension: MANITOU M30 AIR fork with 100 mm travel. Handlebar lockout with exclusive 2-position B'Twin ComboLock. 1-1/8" aluminium conical pivot, 1.5" taper, for increased rigidity and light weight. Axle: 9 mm. - Rear suspension: No rear suspension.

Front: RockShox 30 Silver, coil spring, preload, rebound, TurnKey lockout, G2 Geometry w/51mm offset on 29ers, 100mm travel (13.5 : 80mm travel)

Bontrager Elite, 31.8mm, 7 degree, Blendr compatible

Front: Formula DC20 alloy - Rear: Formula DC22 alloy

Bontrager Connection 32-hole double-walled rims

Hutchinson Python 2 27.5 x 2.1 Iconic tyres used at the XC World Cup. Designed for cross country riding over dry terrain and slightly loose ground.

Bontrager XR2, 29x2.20" front, 29x2.00" rear (13.5 & 15.5: 27.5x2.20")

Mavic Cross Ride FTS-X wheels. Material: S6000 aluminium. Pneumatics: tube type; Internal width: 21 mm.

Formula DC20 alloy front hub; Formula DC22 alloy rear hub; Bontrager Connection 32-hole double-walled rims

TEKTRO TKD 32 brakes exclusive to B'TWIN. Discs: 160 mm front and rear. 2 pistons and aluminium calliper for more power and less weight, perfect for cross country biking. Trigger lever. Semi-organic disc brake pads.

Shimano M315 hydraulic disc

Rockrider 900 XC oversize low rise (slightly curved) 680 mm handlebar for greater stability. Rockrider XC stem M: 80 mm / L: 90 mm / XL: 100 mm. The right stem for your height! Semi-integrated headset with sealed bearings. New ROCKRIDER 900 Light Lock On grips.

Bontrager alloy, 31.8mm, 15mm rise

B'Twin Comp seat post. 29.8 mm in diameter / 350 mm in length. New Rockrider 900 Series saddle. Weight: 265 g.Improved comfort when pedalling.

Bontrager Evoke 1.5

Bontrager SSR, 2-bolt head, 27.2mm, 12mm offset

Bontrager Elite, 31.8mm, 7 degree, Blendr compatible

This bike comes ready to use with platform pedals. Nevertheless, if you want to improve its performance you can replace them with clipless pedals (not supplied). Clipless pedals also make the bike easier to steer, especially when doing Cross Country MTBing.