ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY
    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY

    ROCKRIDER ST 540 MOUNTAIN BIKE - GREY

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    B'TWIN
    8363009
    S$ 550.00
    Designed for intensive mountain biking.
    Hydraulic disc brakes, Shimano 27 speeds, fork with lockout, integrated seat clamp, lightweight versatile tyres, wide pedals with very good grip: it all adds up to a significant advantage while biking
    Size Size guide
    • S
    • M
    • L
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    Sport Benefits
    Cycling comfort100 mm hydraulic fork (smoother). Ergonomic saddle. Height-adjustable stem.
    EfficiencyShimano Altus 27 speeds. Lightweight tyres, high traction. Fork with lockout.
    PrecisionHydraulic disc brakes.Soft compound tyre. Wide pedals with excellent grip
    Ease of useLockout your forks in and instant. Ergonomic, integrated seat clamp.
    Lifetime warrantyB’TWIN guarantees the frame, stem and handlebars for life.
    WarrantyFrame, handlebars and stem have a lifetime warranty. 2-year warranty for parts (excl. wearing parts)
    Technical Information

    1
    Frame
    Rockrider CGF Evo (Comfort Geometry Frame) frame, - made of 6061 aluminium - for 27.5" wheels - comfortable sitting position thanks to raised seat position. - with seat 5 times more flexible than a standard frame thanks to a narrow 27.2 mm seat post. - with low bottom bracket: mountain bike stable in bends, makes it easy to put foot on the ground, - open steering angle (69.5°): keeps mountain bike stable while riding. - short rear wheel base: bike is easy to turn. - and a lifetime warranty!
    2
    Fork
    Suntour XCR 100 fork with 100 mm travel: - fork stiffness can be adjusted (more/less). - with fork lockout to prevent bobbing on rolling terrain.
    3
    Suspension
    No rear suspension.
    4
    Drive train
    Prowheel Flint 401 triple-chainring chainset (22/32/44 teeth). Shimano Altus 9-speed rear derailleur. Microshift MS50 front derailleur. Shimano Altus M370 shifters with speed indicators. Shimano cassette with 9 cogs, 11 to 34 teeth.
    5
    Brakes
    HAYES RADAR hydraulic disc brakes at the front and rear: more powerful and progressive braking, even in the rain and in muddy conditions, with minimal pressure on the levers required.
    6
    Handlebars
    B'Twin Sport handlebar: - made of aluminium for less weight. - 660 mm (size S and M), or 680 mm (size L and XL): longer for added stability. - oversized diameter for added stiffness.
    7
    Stem
    Exclusive B'Twin Upside Down 0/30 stem: - made from aluminium for less weight, - 70 mm (size S and M), or 80 mm (size L): shorter provides more precise steering. - can be raised by up to 3 cm with 5 adjustment positions (+0 mm, +7.5 mm, +15 mm, +22.5 mm and +30 mm). - is 15% stiffer thanks to its width being increased by 48%, providing more precise steering.
    8
    Steering
    A-headset semi-integrated headset offers improved watertightness, more precise steering, and an integrated look. BTWIN SPORT lamellar grips (120 mm): true riding comfort.
    9
    Saddle
    Exclusive B'Twin Ergo Fit Evo saddle offering exceptional comfort thanks to: - increased width. - "hammock" shape. - pressure is distributed over a wide area, regardless of the width of the rider's pelvis.
    10
    Seat post
    B'Twin Sport seat post: - made of aluminium for less weight. - 27.2 mm diameter provides the seat with a natural flex 5 times higher than a classic seat post. - 400 mm long, offering a wide adjustment range.
    11
    Wheels
    Aero Trail Evo wheels: - in double-wall aluminium: lightweight, stiff, and durable. - with a 27.5" diameter: the best balance between comfort and performance. - with 28 spokes to reduce weight while still guaranteeing rigidity and sturdiness.
    12
    Tyres
    New Exclusive B'Twin All Terrain Light tyres: - 27.5" x 2.0 - with lugs exclusively designed for all-terrain use, great for any type of route. - the sidewalls of the tyres have been lightened to reduce the effect of rotating mass. - with a pressure guideline chart based on rider weight.
    13
    Pedals
    B'Twin Flat Evo pedals: - made from resin: both sturdy and lightweight. - with a large surface area for better power transfer while pedalling and better steering. - with raised pins that are rougher so as to provide the pedal with more grip.
    14
    Accessories
    Compatible with a bottle cage, saddle bag, pannier rack, mudguards, stand, etc.
    15
    Weight
    13.6 kg in size M without pedals.
    16
    Electric assistance
    No electric assistance.
    Characteristic
    SizeS / M / L

    Wheel size27.5 inches

    WEIGHT13.6 kg in M without pedals

    LIFE WARRANTYframe, stem and handlebar

    Suspension100 mm suspension fork

    ColourGrey / White / Red
    Information / Concept / Technology
    Composition
    Frame : 100.0% Aluminium

    Stockage tips
    Store in a cool, dry place, away from corrosive products and salty air.
    Gender
    ADULT
    Sport Practices
    CYCLING
    MOUNTAIN BIKES
    SPORT TRAIL MTB
    CROSS COUNTRY MTB
    ALL MOUNTAIN MTB
    SUSPENSION
    • SUSPENSION : FRONT
    NUMBER OF SPEEDS
    • 27 speeds
    FRAME TYPE
    • Aluminium frame
    SUSPENSION TRAVEL
    • 100 mm
    TYPE OF BRAKE
    • Hydraulic disc brakes
    NUMBER OF CHAINRINGS
    • Triple chainring
    WHEEL SIZE
    • 27.5"
    FREQUENCY
    • REGULAR
    LEVEL OF PRACTICE
    • INTERMEDIATE
    Colours
     
     
     
    Technical Information
      • Rockrider CGF Evo (Comfort Geometry Frame) frame, - made of 6061 aluminium - for 27.5" wheels - comfortable sitting position thanks to raised seat position. - with seat 5 times more flexible than a standard frame thanks to a narrow 27.2 mm seat post. - with low bottom bracket: mountain bike stable in bends, makes it easy to put foot on the ground; - open steering angle (69.5°): keeps mountain bike stable while riding. - short rear wheel base: bike is easy to turn. - and a lifetime warranty!
      • Suntour XCR 100 fork with 100 mm travel: - fork stiffness can be adjusted (more/less). - with fork lockout to prevent bobbing on rolling terrain.
      • No rear suspension.
      • Prowheel Flint 401 triple-chainring chainset (22/32/44 teeth). Shimano Altus 9-speed rear derailleur. Microshift MS50 front derailleur. Shimano Altus M370 shifters with speed indicators. Shimano cassette with 9 cogs, 11 to 34 teeth.
      • HAYES RADAR hydraulic disc brakes at the front and rear: more powerful and progressive braking, even in the rain and in muddy conditions, with minimal pressure on the levers required.
      • B'Twin Sport handlebar: - made of aluminium for less weight. - 660 mm (size S and M), or 680 mm (size L and XL): longer for added stability. - oversized diameter for added stiffness.
      • Exclusive B'Twin Upside Down 0/30 stem: - made from aluminium for less weight; - 70 mm (size S and M), or 80 mm (size L): shorter provides more precise steering. - can be raised by up to 3 cm with 5 adjustment positions (+0 mm, +7.5 mm, +15 mm, +22.5 mm and +30 mm). - is 15% stiffer thanks to its width being increased by 48%, providing more precise steering.
      • A-headset semi-integrated headset offers improved watertightness, more precise steering, and an integrated look. BTWIN SPORT lamellar grips (120 mm): true riding comfort.
      • Exclusive B'Twin Ergo Fit Evo saddle offering exceptional comfort thanks to: - increased width. - "hammock" shape. - pressure is distributed over a wide area, regardless of the width of the rider's pelvis.
      • B'Twin Sport seat post: - made of aluminium for less weight. - 27.2 mm diameter provides the seat with a natural flex 5 times higher than a classic seat post. - 400 mm long, offering a wide adjustment range.
      • Aero Trail Evo wheels: - in double-wall aluminium: lightweight, stiff, and durable. - with a 27.5" diameter: the best balance between comfort and performance. - with 28 spokes to reduce weight while still guaranteeing rigidity and sturdiness.
      • New Exclusive B'Twin All Terrain Light tyres: - 27.5" x 2.0 - with lugs exclusively designed for all-terrain use; great for any type of route. - the sidewalls of the tyres have been lightened to reduce the effect of rotating mass. - with a pressure guideline chart based on rider weight.
      • B'Twin Flat Evo pedals: - made from resin: both sturdy and lightweight. - with a large surface area for better power transfer while pedalling and better steering. - with raised pins that are rougher so as to provide the pedal with more grip.
      • Compatible with a bottle cage, saddle bag, pannier rack, mudguards, stand, etc.
      • 13.6 kg in size M without pedals.
      • No electric assistance.
    Characteristics name
    Size : S / M / L Wheel size : 27.5 inches WEIGHT : 13.6 kg in M without pedals LIFE WARRANTY : frame, stem and handlebar Suspension : 100 mm suspension fork Colour : Grey / White / Red
    Storage advice
    Store in a cool, dry place, away from corrosive products and salty air.
    Composition
    Frame : 100.0% Aluminium

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