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Rockrider XC50 Mountain Bike 29''

Sale price: $850.00 Regular price: $1,499.00

Choose our aluminum XC bike with an NX 1x11 drivetrain, Sun Ringle 29" wheels and Judy fork.

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Size: Select a size
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Sale price: $850.00 Regular price: $1,499.00

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Final Sale: No returns or exchanges

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San Francisco, 735 Market St. Options

Select an available color and size to see options.

About this item:

  • Light weight triple butted 6000 series aluminium
  • Rock Shox Judy 100 with remote Lockout, Front Suspension Fork
  • Sram Eagle NX 11spd Drivetrain
  • Rockrider Aluminium Cross Country Disc brake Wheelset
  • Rockrider by Tektro Dual Piston Hydraulic Disc Brakes
  • Ergofit Comfort Saddle
  • Lifetime Warranty on the frame
Model: 8663746

Product Videos

Product Features

A photo of the Rockrider XC50 Mountain Bike 29'' in use

Rockrider XC50 Mountain Bike 29'' | Designed for getting started with cross-country mountain biking.

Choose our aluminum XC bike with an NX 1x11 drivetrain, Sun Ringle 29" wheels and Judy fork.


Manage effort, semi-rigid XC geometry, SRAM NX 1x11, SunRingle Duroc 30 wheels


Hit the slopes with its 6013 aluminum frame with XC geometry (3.3 lbs in size S)

Shock absorption

Cushion all impacts: 100 mm JUDY fork with quick-release on the handlebars

Braking power

Powerful brakes with double piston calipers and 180 mm/160 mm discs.

Lifetime warranty

ROCKRIDER offers a lifetime warranty on the frame, handlebars, and stem.

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Additional Product Information


Bike frame: 100.0% Aluminium 6061

The story behind the xc 50 ltd...

Entirely designed and developed in France at the B'Twin Village (Lille), this mountain bike is the fruit of the work of an expert team of passionate cross-country mountain bikers. The Rockrider team has designed and tested this XC 50 LTD mountain bike with its test riders.

Switch and ride: 1 bike, many rides

The SWITCH and RIDE system is easy: a mountain bike frame compatible with 3 wheel sizes.1/ You add a 2nd or 3rd pair of wheels.2/ Enjoy all terrains!

A unisex mountain bike

Men's or women's mountain bike? The Rockrider XC 50 is for men and women.For greater comfort, the women on our mountain bike team recommend replacing the saddle with the Women's 500 Sport saddle, which is adapted to women's bodies.

Choosing your mountain bike size

Several sizes available:S: between 4'11” and 5'5”M: between 5'5” and 5'9”L: between 5'9” and 6'XL: between 6'1” and 6'5”If you are on the edge between 2 sizes, we recommend following the exact size listed.


The stiff, lightweight ROCKRIDER XC frame has optimized geometry for physical performance.It was designed with shorter bases to leave space for wide tires.Made of triple-thickness 6061 and 6013 aluminum.Lifetime warranty on the Switch And Ride frame, single chainwheel only.148 mm x 12 mm rear axle.”Press fit 92” bottom bracket.31.6 mm diameter saddle tube.Compatible with double bottle cage (except in size S).Weight in size S: 3.3 lbs.

Front suspension

The ROCKSHOX JUDY AIR fork has 100 mm of travel so that you can get over any obstacle. Quickly lock and unlock the fork with the 2-position Combo Lock locking system on the handlebars.Suspension compatible with 27.5” and 27.5” PLUS wheels.

Rear suspension

This mountain bike has no rear suspension.


The SRAM NX 1x11 drive train ensures light weight, durability, precision, and better control of your mountain bike.Chainwheel size: 30 teeth (can be easily replaced with a 32-tooth chainwheel without changing the chain). SRAM PG1103 cassette with 11 cogs: 11, 13, 15 , 17, 19, 22, 25, 28, 32, 36, 42 teeth. The 42-tooth sprocket guarantees good gear reduction to help you climb the steepest sections.

Handlebar / stem / steering / grips

Keep stable and find your attack position.Rockrider Comp Flat handlebar is 720 mm wide for more stability. The B'TWIN COMP stem is adapted to the size (60 mm in size S, 70 mm in size M, 80 mm in size L, and 90 mm in size XL). Semi-integrated headset with sealed bearings. Lightweight, ”lock on” style ROCKRIDER 900 grips screw onto the handlebars

Product testing

Please visit your local Decathlon store for any pre-purchase tests.

Storage instructions

We recommend storing your mountain bike in a cool, dry place, away from corrosive products and salty air.


Lifetime (frame, stem, handlebars). Details on our website. Availability of spare parts: 2 years.



Superior quality. Unbeatable prices.

For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.

Decathlon makes the difference
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    Research and development

    delivers high-quality cost-effective products

  2. State-of-the-art production processes

    minimize manufacturing costs

  3. Optimized supply chain

    reduces retail prices

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    Minimal retail footprint

    lowers overhead and indirect costs


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