ROCKRIDER 540 Mountain Bike

€ 418.80

Designed for MTB touring.

More details
SKU: S120355 (1864081)
Select a color:
    Select a size :
Size Guide

Available online

Delivery in 6 to 7 days

Our e-commerce is suspended for a transition period. We expect to be back soon!
Product benefits
  1. Cycling comfort
    More fluid 100 mm hydraulic fork. Ergonomic saddle. Height-adjustable stem.
  2. Efficiency
    Shimano Altus 27 speeds. Lightweight, fast tyres. Fork with lockout.
  3. Precision
    Hydraulic disc brakes. Tyres made of soft rubber. Wide pedals with strong grip.
  4. Ease of use
    Ease of use
    Lockout fork in a single step. Ergonomic built-in seat clamp collar.
  5. Lifetime warranty
    Lifetime warranty
    B'Twin provides a lifetime warranty on the frame, stem and handlebar.
  • Size
    27.5 inches
  • Weight
    13.6 kg in M without pedals
  • Life warranty
    frame, stem and handlebar
    100 mm suspension fork
    Grey / White / Red
Product feature
  1. Design
    The ROCKRIDER 540 was designed and created in France, at the B'Twin Village in Lille, by a team of experts and cycling enthusiasts dedicated to designing our mountain bike Sport Touring line. Production took place in different factories in Europe as close to our Decathlon stores as possible. More information available on our website:
  2. Frame
    Rockrider CGF Evo (Comfort Geometry Frame) 6061 aluminium frame for 27.5" wheels. Comfortable seating position thanks to raised steering. Seat is 5 times more flexible than a standard frame thanks to a narrow 27.2 mm seat post. Low bottom bracket: helps keep the mountain bike stable in turns, and makes it easier to place foot on the ground. Open steering angle (69.5°): keeps mountain bike stable while riding. Short rear wheel base: bike is easy to turn.
  3. Front suspension
    Suntour XCR 100 fork with 100 mm of travel and adjustable stiffness (more/less). Fork lockout to prevent bobbing on faster terrain.
  4. Rear suspension
    No rear suspension.
  5. Drivetrain
    Triple-chainring chainset (22/32/44 teeth). Shimano Altus 9-speed rear derailleur. Microshift MS25 front derailleur. Shimano Altus M370 shifters with speed indicators. Shimano HG200 cassette with 9 cogs and 11-34 teeth.
  6. Brakes
    Hayes Radar hydraulic disc brakes on the front and rear, with 160 mm discs. OR B'Twin by Tektro hydraulic disc brakes on the front and rear, with 160 mm discs. Hydraulic brakes are more powerful and gradual, requiring much less effort to be applied to the levers.
  7. Handlebar/stem/steering/grips
    B'Twin Sport Oversize aluminium handlebar; 660 mm (size S and M), and 680 mm (L and XL). Exclusive B'Twin aluminium stem, 70 mm (size S), 80 mm (sizes M/L), and 90 mm (size XL). Stem can be raised by up to 3 cm, with 5 settings (+ 0 mm, + 7.5 mm, + 15 mm, +22.5 mm, +30 mm). Semi-integrated A-headset headset—better sealed and integrated style. B'Twin Sport handles with grooves, 120 mm long: genuine comfort while riding.
  8. Wheels
    Aero Trail Evo aluminium wheels with double-walled rims: lightweight, stiff, and durable. 27.5" diameter: the best balance of comfort and performance. Designed with 28 spokes to reduce weight while still ensuring rigidity and strength.
  9. Tyres
    Exclusive B'Twin All Terrain Light 27.5" x 2.0 tyres with a system of lugs specially designed for all terrain use on any type of surface. Lighter tyre sidewalls reduce the effect of rotating mass. Chart with recommended tyre pressure based on rider's weight (indicated on the tyre sidewalls).
  10. Saddle / seat post
    Exclusive B'Twin Ergofit Evo saddle offers outstanding comfort thanks to its wider "hammock" shape and good distribution of pressure points regardless of the rider's pelvis width. B'Twin Sport seat post in aluminium for less weight. 27.2 mm diameter provides the seat with a natural flex that's 5 times greater than a classic seat post. 400 mm long, offering a broad adjustment range.
  11. Pedals
    Comes with B'Twin Flat Evo resin pedals: sturdy and lightweight. A large pressure surface area for more power while pedalling and improved directional control of your mountain bike. More aggressive pins for better contact between the foot and the pedal.
  12. Weight
    13.50 kg in S without pedals. 13.95 kg in M without pedals. 14.05 kg in L without pedals. 14.20 kg in XL without pedals.
  13. Accessories
    Frame can take a bottle cage, saddle bag, mud guard, stand, pannier rack.
    Cycle touring does not start from home; that's why we have made it easier to remove and replace the front and rear wheels. They are equipped with a quick-release system.
  15. Weight
    13.50 kg in S without pedals. 13.95 kg in M without pedals. 14.05 kg in L without pedals. 14.20 kg in XL without pedals. The weight can vary based on the tolerance of the components. The bike comes with B'Twin Flat platform pedals. The total weight (bike + rider) should not exceed 120kg.
  16. Accessories
    Your RR540 mountain bike comes with a bell, lighting, wheel reflectors, and pedals. The frame is compatible with: - Front and rear mudguards - Stand - Bottle cage - Saddle bag - Rear pannier rack - Child seat etc.
    During your first few rides, your bike's equipment will adjust (chain, derailleur, brakes, etc.) We offer a free servicing within 6 months following purchase. Our technicians will provide a 13-point inspection of your bike. Access all our advice on handling your bike:
    To find out more about usage and maintenance information of the Suntour fork, go to the Suntour website. You will be able to download the instructions manual for your product from this website.
Product testing
  1. Composition
    Frame : 100.0% Aluminium 6061
  2. Approved by
    The Mission Test test users in the Lyon mountains, in May 2015.
  3. Storage advice
    It is strongly recommended to store your bike in a cool, dry place, away from corrosive products and salty air.
  4. Product restrictions
    Not suitable for All Mountain, Enduro, and BMX.
  5. Product catchline
    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
  6. Lab tested
    We recommend that beginners wear cycling shorts with a protective pad and/or a gel saddle cover to reduce soreness.
Product reviews
3.9 / 5
52 reviews
58 users recommend this product
Write a review
  • great bike

    chris (United Kingdom)
    Used for 3 to 6 months
    got this for my son and he loves it. great spec with disc brakes. only reason it is not 5 stars is that it is on the heavy side, although probably right at this price point.
  • Brakes

    Scott (United Kingdom)
    Used for 1 week or less
    Brakes make a weird water type sound like the brake fluid is leaking is this normal. And when i purchased it from decathlon, Hermiston gate a member of staff scratched the paint off the forks.
  • Miss

    ingrida (United Kingdom)
    Used for 2 to 8 weeks
    Is nice bike and very good service.thank you
  • Excellent Bike

    heather (United Kingdom)
    Used for 2 to 8 weeks
    Brilliant bike. Well worth the money
  • Poor bike

    E (United Kingdom)
    Used for 7 to 12 months
    I purchased this bike a few months ago and have only done a small amount of riding on it .Already the teeth on the chain rings have worn down so the gears slip while riding. I can't get the saddle clamp on the seat post to grip the rails and all of the screws need to get tightened to such an extent, it feels as though they're going to snap. I regret buying this bike and will be selling it to buy a 2nd hand well-established make.
    Response of the brand
    I'm sorry to read that the bike has a few issues. Please pop it to your local Decathlon store who will inspect the bike and replace and repair any issues covered by your warranty.
    Peter Lazarus, National Cycling Manager, DECATHLON
  1. 1
  2. 2
  3. ...
  4. 11
  5. 12