Mountain Bike Rockrider 900 27.5" designed for cross country (xc) mountain biking, ideal for regular training and getting started in competition.
Our first mountain bike for Cross Country: XC frame geometry, the new SRAM NX single chainwheel 1X11 drivetrain, Mavic Cross Ride FTS-X wheels and a Manitou M30 AIR 100 mm fork.
Mavic Cross Ride FTS-X 27.5" wheels,\nManitou M30 Air 100 mm fork.
Double-butted 6061 aluminium frame, XC geometry. Weight: 12 kg (M).
SRAM NX 1x11 single chainring 11/42 cassette drivetrain.\nExclusive Tektro brakes
Manitou fork with exclusive B'Twin Combolock handlebar lockout system.
Lifetime warranty on frame.
The Rockrider 900 was designed by a team of experts and cycling enthusiasts dedicated to the design of our Cross Country range. This team oversees the entire design and manufacturing process from the B'Twin Village (located in Lille).
To ensure maximum satisfaction, the Rockrider 900 is assembled in our AML factory in Lille, France, just a stone's throw away from our design team.
For more information: http://virtual-tour-btwin-village.btwin.com/
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 4 sizes: S / M / L / XL.
BSA 73 mm bottom bracket. IS rear brakes.
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 low weight. Axle: 9 mm.
No rear suspension.
New for 2016: SRAM NX, single 1x11 chainring for less weight and more steering control, durability and precision.
Chainwheel size: 30 teeth, easily replaceable (up to 32) without changing the chain. Cassette: 11-13-15-17-19-22-25-28-32-36-42;
42-teeth cog provides a good ratio for climbing the most challenging sections.
TEKTRO TKD 32 brakes exclusive to B'TWIN. Discs: 160 mm front and rear.
2 pistons and aluminium body for more power and less weight, making it perfect for cross country cycling.
Semi-organic disc brake pads.
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.
Mavic Cross Ride FTS-X wheels. Material: S6000 aluminium.
Pneumatics: tube type / Internal width: 21 mm.
Hutchinson Python 2 27.5 x 2.1
An iconic tyre, used at the XC World Cup.
Designed for cross country riding over dry terrain and slightly loose ground.
Saddle / Seat post
B'Twin Comp seat post.
350 mm in length / 29.8 mm in diameter.
New Rockrider 900 Series saddle.
Weight: 265 g.Improved comfort while pedalling.
This bike comes ready to use, with platform pedals. However, to optimise its performance, you can replace these with clipless pedals (not included).
Clipless pedals improve the bike's directional control, especially when doing Cross Country mountain biking.
11.8 kg in size S, without pedals. 12 kg in size M, without pedals.12.2 kg in size L, without pedals.
12.4 kg in size XL, without pedals.
During the first few outings, your bike's components will adjust (chain, derailleur, brakes, etc.)
We offer you a free service check within 3 months of the date of purchase, during which our technicians will perform a 13-point check of your bike. Access all our advice on handling your bike:
Tested with the B'Twin MTB Racing Team.
M, L, XL
12 kg in Size M
frame, handlebar, stem.
Front 100 mm
Grey / neon / black
Frame : 100.0% Aluminium 6061
Not suitable for BMX, dirt and freeride use.
Store your bike in a dry, cool place. Protect your bike if you are using it or storing it in a salty environment.
Mountain Bike Rockrider 900 27.5" reviews