Bike Comparison
    MSRP
    ($2,151)$8,500
    Where to Buy
    $1

    At

    $8,500

    At Specialized

    Category
    TrailTrail
    Weight
    26.2 lbs26.7 lbs
    5.8
    9.7
    CarbonCarbon
    Fork
    RockShox RebaFox Factory Float 34
    Shock
    Fox Float X Factory
    Wheels
    AluminumCarbon
    29″29″
    Brakes
    Hydraulic DiscHydraulic Disc
    Groupset
    X0 Eagle Transmission, X01 Eagle AXS
    Drivetrain
    1 × 121 × 12 Electronic
    Suspension
    FullFull
    Front Travel
    120mm130mm
    Rear Travel
    -120mm
    Brand Site

    decathlon.co.uk

    specialized.com

    Summary
    The Rockrider XC 900S Full Suspension Carbon Mountain Bike - 29" is a 29″ carbon frame full suspension trail bike with high-end components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    2024 Epic 8 EVO Pro
    Other Trail bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    28 mph

    2024 Epic 8 EVO Pro

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    New FS Rockrider Cross Country 29" carbon frame. ALU 6061/6013 rear triangle, Carbon rod, Specific geometry for 29" wheels, 148mm x 12mm rear axle. BOOST, "Press fit 92" bottom bracket, 31.6 mm diameter saddle tube and internal guidance to fit the telescoping seat post, Access hatch for easy bottom bracket maintenance, Compatible with 1 bottle cage. Single chainring only, Weight in size S: 2.2 kg, Aluminium axles (light weight)

    BB StandardBB86/BB92, Press Fit

    FACT 11m Carbon, Progressive XC Race Geometry, Rider-First Engineered™, SWAT downtube storage, threaded BB, 12x148mm UDH compatible rear dropout, internal cable routing, 120mm of travel

    BB StandardBB86/BB92, Press Fit

    Fork

    Make obstacles disappear. ROCKSHOX REBA RL front suspension with 120mm of travel. BOOST axle. Direct lockout front suspension (3 positions) on the handlebars with the COMBOLOCK 2 grip. 3 modes: locked, medium, and open

    Travel130mm

    Spring TypeAir

    Fox 34 Factory, Grip2 Damper, 4 way adjust, 130mm travel, 44mm offset, 15x110mm

    Travel130mm

    Spring TypeAir

    Shock

    Fox Float Factory, Evol LV, Ride Dynamics Tuned, LSC/ Rebound adjust, 190x45mm

    Bottom Bracket

    BB86/BB92, press-fit

    SRAM DUB Threaded Wide

    Stem

    Raceface Turbine R, 50mm, 35mm clamp

    Handlebar

    Roval Control Rise Carbon Handlebar, 780mm wide, 20mm rise, 35mm

    Saddle

    Body Geometry Power Expert

    Seatpost

    Fox Transfer Factory, 30.9, 1X remote, (SM:125mm, MD: 150mm, L-XL: 175mm)

    Pedals

    The bike is supplied with B'Twin Flat Pro platform pedals. However, for better performance when pedalling, we recommend replacing them with clipless pedals (not included).

    Grips

    Specialized Trail Grips

    Groupset
    Rear Derailleur

    SRAM X0 Eagle Transmission

    Crank

    single 1x12 chainwheel

    SRAM X0 Eagle, DUB, 170/175mm, Alloy, 32T

    Shifters

    SRAM AXS POD Controller

    Cassette

    whether up or down hill with this 12-speed cassette. SRAM GX EAGLE drivetrain

    SRAM XS 1295, 12 speed, 10-52

    Chain

    SRAM X0 Eagle

    Brakes

    The choice of double hydraulic disc brakes for incisive braking. Exclusive SRAM Level T hydraulic disc brakes. Front 160mm disc, 160mm rear disc.

    Front: SRAM Code Silver Stealth, 4-piston caliper, hydraulic disc, 180/200mm HS2 rotor, Rear: SRAM Code Silver Stealth, 4-piston caliper, hydraulic disc, 180mm HS2 rotor

    Wheels
    Rims

    29" : Wheels up to the challenge of XC! MAVIC Crossmax Tubeless Ready wheels in 15 mm at the front and 12 mm at the rear. BOOST, Inner rim width: 25 mm. Tubeless Mavic rim strip. UST valve included. XD Pound Wheel, ETRTO Dimension: 622x25TSS, Sealed bearings. Weight of both wheels without tyres: 1.930 kg

    Roval Control, Carbon offset design, 29mm internal width, 4mm hook width, Tubeless ready, 28h

    Spokes

    Stainless, 14g, black

    Front Hub

    Industry Nine 1/1, 6-bolt, 15mm Thru-axle, 110mm spacing, 28h

    Rear Hub

    Industry Nine 1/1, 12x148mm thru axle, XD freehub body, 28h

    Tires

    Grip and move over all types of terrain. Hutchinson Skeleton TR 29x2.1 Tubeless Ready tyres, Low profile tyre, lightweight and high-performance, designed for rides on dry ground. A tread that ensures greater performance. Side lugs to provide maximum grip.

    Front: Specialized Purgatory, GRID Casing, T9 Compound, 29x2.4, Rear: Specialized Ground Control, GRID Casing, T7 Compound, 29x2.35

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