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Air shocks, hydraulic brakes.

Rockrider 520 S Full Suspension Mountain bike

athletic MTB riders touring off-road in the country or mountains. Optimised brakes & weight: Take on the steep slopes.

To view our full range visit our mountain bikes category.


Please select a size

Please select a size


until £450.00 -17 %

From £375.00**

DecathlonDeeeTaxMentionAfterPrice /

Price in store £450.00 £375.00 **

Reserve in store

From 24/04/2015 To

** From 24/04/2015 To

* Sales from to Until end of stock
** Sales from 24/04/2015 to Until end of stock

From and limited stock

* Sales price at

From and limited stock

* Sales price at

* From 24/04/2015 and limited stock
** From 24/04/2015 and limited stock
Free delivery with Click & Collect
From : with this item
Reference : 8208678

Our customers pictures

Product benefits

    • Lifetime warranty
    • B’TWIN guarantees the frame, stem, and handlebar for life.
    • Cushioning
    • 120mm fork with lockout & 120mm hydraulic air shock, for precision adjustment!
    • Low weight / lightweight
    • Air shocks: lighter and more precise. Lighter drive train. 14.9 kg in M.
    • Precision
    • Precision suspension adjustable according to your weight. 27-speed SRAM X5.
    • Brake control
    • Tektro hydraulic disc brakes: powerful, progressive, robust.
  1. Guarantee : Frame, handlebar and stem have a lifetime guarantee.2 year guarantee for parts (excl. wearing parts)

Product information

M(1.65-1.75), L(1.75-1.85), XL(1.85-1.95)
Black / White / Red
Wheel size
26 inches
fork and shocks
14.7 kg in M without pedals

Technical Information

  • 1

    Frame New 6061 aluminium oversize S.I.X frame with 120 mm rear wheel travel, based on a monopivot suspension system offering high sensitivity to small shocks but also gives the bike sturdy resistance to strong impacts. Weight= 2.7kg in size M, without shocks.

  • 2

    Fork Hydraulic Rockrider fork with 120mm of travel, with magnesium blade for lighter weight, with lockout at the top of the right damper for rolling terrain, and with easy adjustment of the pre-load (fork hardness) at the top of the left damper. A fork which has already proved itself.

  • 3

    Suspension X-Fusion E1 air shocks, lightweight, specifically adapted to the S.I.X. frame, easily adjustable to the rider's weight thanks to the schrader valve: a great balance between sensitivity and performance

  • 4

    Drive train Shimano Tourney front derailleur, Sram X5 rear shifter and derailleur: very good combination in terms of comfort of use, speed of gear changes, and reliability. Thanks to its 27 speeds and its quick gear changes, it is easy to find the right gear for each new type of terrain.
    Bottom bracket Suntour XCT triple chain wheels, 22/32/42 teeth. 9 speed Sram ESP 5.0 cassette, 11 x 34. Sram chain with quick-release.

  • 5

    Brakes Tektro Auriga Comp hydraulic disc brakes, offering high braking power while remaining progressive and easy to dose. 160 mm front and rear discs. Front and rear "postmount" callipers, directly screwed into the frame and the fork: gain in weight and ease of adjustment! Discover the power of hydraulic disc braking, you will not be disappointed!

  • 6

    Handlebar Oversize 640mm diameter Rockrider Sport aluminium handlebar, for better rigidity and stability on descents.

  • 7

    Stem Rockrider forged aluminium oversize diameter stem for more rigidity, with a 6º "backsweep" angle. The components are marked to help you find the best setting.

  • 8

    Steering Semi-integrated headset for improved watertightness, precision while riding, and a built-in look. 120 mm Rockrider mono-density grips.

  • 9

    Saddle Rockrider by Velo bi-material saddle with a sporty look. Comfortable, narrow saddle to avoid thigh chafing.

  • 10

    Seatpost Rockrider 29.8 mm diameter seat post, length: 350mm. Quick, tool-free saddle tightening.

  • 11

    Wheels Rockrider Sport wheels, with 32 hole double-walled aluminium rims: guaranteed shock and warp resistance, and lightweight! Aluminium hub compatible with disc brakes only.

  • 12

    Tyres Front and rear KENDA Nevegal 26x2.10 rigid bead tyre, known for its versatility: it behaves well on all types of surface, whatever the weather (dry or wet), thanks to its deep and well distributed tread, and its "Stick-E" rubber which provides good grip. Tyres with inner tube.

  • 13

    Pedals Wellgo platform pedals, with strapless toe-clips, for good foot support and the ability to remove your foot quickly should you lose balance.

  • 14

    Accessories Transparent self-sticking base protection: your frame paint need not fear!

  • 15

    Weight 14.8 kg in M without pedals

  • 16

    Electrical assistance No electric assistance.

Information / Concept / Technology

S.I.X. suspension system: Monopivot frame for greater simplicity and sensitivity, based on 120 mm travel.

Restricted use :

not designed for: BMX, Dirt, Freeride and Descent.

Stock advice

Store in a cool, dry place, away from corrosive products and salty air.

Care instructions:

We recommended reading and following the maintenance instructions provided with your Rockrider bike. The maintenance instructions and component settings are available on The safety visit (3 months after purchase) at your local store's workshop is FREE and RECOMMENDED.