Rockrider Mountainbike Cross Country 29 Zoll Carbon und Aluminium XC 900 S weiss

Name: Rockrider Mountainbike Cross Country 29 Zoll Carbon und Aluminium XC 900 S weiss
Brand: Rockrider

2025 MountainTrail Manufacturer page

Travel: 120 / 120 mm Fork / rear shock
Wheels: 29″
Drivetrain: 1 × 12 34t / 11–50t
Gear range: 455%
Frame: Carbon
Brakes: Hydraulic disc

Not published by the manufacturer

Sizes and geometry

Components

12 of 14 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Front triangle carbon, rear triangle aluminum 6061/6013, carbon cable guides, 148×12mm BOOST rear axle, Pressfit 92 bottom bracket, 31.6mm seat tube diameter, internal routing for telescopic seatpost (requires special clamps, reference 8571387), access hatch to bottom bracket area, compatible with 1 bottle cage, single chainring only, weight in size S 2.2kg Not identified

Suspension

2 parts

Drivetrain

3 parts

Bottom bracket

BB86/BB92, press-fit Not identified
Cassette
- SRAM PG-1230 Eagle 12 speeds
PG-1230
Crankset
- SRAM

Brakes

1 part

Brakes
- SRAM Level T

Wheels and tires

2 parts

Cockpit and contact points

5 parts

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon

Suspension

Suspension configuration: Full suspension
Front travel: 120 mm
Rear travel: 120 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 34
Largest chainring: 34
Rear sprockets: 12
Smallest sprocket: 11
Largest sprocket: 50
Lowest gear: 19.7 in
Highest gear: 89.6 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BB86/BB92
Fork spring: Air
Tire width: 2.25″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

4 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

120 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,807 bicycles with this information
Coverage: 97.5% of the class

Lowest gear

19.7 gear inches

This value is above the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,381 bicycles with this information
Coverage: 74.5% of the class

Highest gear

89.6 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,381 bicycles with this information
Coverage: 74.5% of the class

Shifting

Mechanical

387 of 1,846 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,846 bicycles with this information
Coverage: 99.6% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.6 km/h
Highest gear: 34.3 km/h

Total gear range 455%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 19.7–89.6 gear inches
Class reference (p10–p90): 17.1–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2025
Lowest gear: 1381 bicycles with this information, 74.5% of the class
Highest gear: 1381 bicycles with this information, 74.5% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2025 builds

Differences across 2025 builds
Specification	This bicycle Rockrider Mountainbike Cross Country 29 Zoll Carbon und Aluminium XC 900 S weiss	Rockrider Mountainbike 20 Zoll Expl 500 Kinder grün	Rockrider Mountainbike 24 Zoll Expl 500 Kinder grün	Rockrider Mountainbike 27.5/29 Zoll All Mountain 100	Rockrider Mountainbike 27.5" ST 120 Damen blau	Rockrider Mountainbike 27.5 Zoll Expl 50 dunkelgrau
Frame
Frame material	Carbon	Steel	Steel	Aluminum	Aluminum	Aluminum
Bicycle weight	Not informed	Not informed	14.3 kg	Not informed	Not informed	Not informed
Suspension
Suspension configuration	Full suspension	Hardtail	Hardtail	Full suspension	Hardtail	Hardtail
Front travel	120 mm	Not informed	50 mm	130 mm	80 mm	80 mm
Rear travel	120 mm	Not informed	Not informed	Not informed	Not informed	Not informed
Drivetrain
Smallest chainring	34	36	34	Not informed	32	42
Largest chainring	34	36	34	Not informed	32	42
Rear sprockets	12	6	7	11	9	7
Smallest sprocket	11	14	14	11	11	14
Largest sprocket	50	28	34	51	36	28
Lowest gear	19.7 in	25.7 in	24.0 in	Not informed	24.4 in	41.3 in
Highest gear	89.6 in	51.4 in	58.3 in	Not informed	80.0 in	82.5 in
Brakes
Brake type	Hydraulic disc	Rim brake	Rim brake	Hydraulic disc	Mechanical disc	Rim brake
Cockpit
Seatpost	Rigid seatpost	Rigid seatpost	Not informed	Dropper seatpost	Rigid seatpost	Rigid seatpost
Other specifications
Bottom bracket standard	BB86/BB92	Not informed	Not informed	BB86/BB92	Not informed	Not informed
Fork spring	Air	Not informed	Not informed	Not informed	Not informed	Not informed
Suspension	Full suspension	Hardtail	Hardtail	Full suspension	Hardtail	Hardtail
Tire width	2.25″	3.5″	1.95″	2.25″	2″	2″
Wheel size	29″	20″	24″	27.5″	27.5″	27.5″