Mountain Bikes

Bikes & Cycling

Mountain Bikes

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Rockrider ST100, 27.5" Mountain Bike

(Average rating: 4.3 out of 5 stars, 192 Reviews)

Regular price, $299.00 — $399.00 ~~Regular price, $399.00~~

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Rockrider ST520, 24-Speed Mountain Bike, 27.5

Rockrider ST520, 24-Speed Mountain Bike, 27.5"

(Average rating: 4.2 out of 5 stars, 3009 Reviews)

Sale price, $399.00 ~~Regular price, $499.00~~

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Rockrider ST530S, Full Suspension Mountain Bike, 27.5

Rockrider ST530S, Full Suspension Mountain Bike, 27.5"

(Average rating: 4.3 out of 5 stars, 1165 Reviews)

Regular price, $799.00 ~~Regular price, $9,999,999.99~~

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Rockrider ST540, Mountain Bike, 27.5"

(Average rating: 4.3 out of 5 stars, 2781 Reviews)

Regular price, $699.00 ~~Regular price, $9,999,999.99~~

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Rockrider XC900, Carbon Mountain Bike, 29

Rockrider XC900, Carbon Mountain Bike, 29"

(Average rating: 4.6 out of 5 stars, 701 Reviews)

Regular price, $2,499.00 ~~Regular price, $9,999,999.99~~

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Rockrider ST530, Mountain Bike, 27.5"

(Average rating: 4.4 out of 5 stars, 2563 Reviews)

Sale price, $599.00 ~~Regular price, $0.00~~

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Rockrider XC50, Mountain Bike, 29''

(Average rating: 4.7 out of 5 stars, 31 Reviews)

Sale price, $1,199.00 ~~Regular price, $0.00~~

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Rockrider XC500, Mountain Bike, 29''

(Average rating: 5 out of 5 stars, 3 Reviews)

Sale price, $1,899.00 ~~Regular price, $0.00~~

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Rockrider AM Fifty_S, 12-Speed Full Suspension All-Mountain Bike, 27.5" - 29"

(Average rating: 4.6 out of 5 stars, 102 Reviews)

Sale price, $1,999.00 ~~Regular price, $0.00~~

About mountain bikes

Decathlon’s Rockrider mountain bikes are designed to be tough and strong while staying safe and comfortable, no matter the terrain. Efficient, responsive, and powerful, these bikes are made to handle difficult trails on rough winding paths.

A variety of styles, sizes, and tech

Trekking through difficult turf? Our specialized mountain bikes provide the suspension you need to tackle your next adventure head on, with our ST530 providing full suspension support for your most demanding rides.

Our range of bikes are suitable for men and women, and we have a special line of kids’ mountain bikes so that you can introduce your whole family to the exhilaration at any age in total safety and security. Make sure you come equipped: Decathlon bike helmets that can handle scrapes and falls on demanding trails.

Complete your kit

We know the importance of taking care of your equipment before and after your outings. That’s why we create our own bike maintenance products that keep up with your Rockrider and all its needs. We also create our own cycling accessories so you can be fully kitted out before your trip. Whether you’re trying to champion a mountain or descend from steep slopes, we’ll be there with you on the uphill and downhill and for everything in between.