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Rockrider Adult ST100 27.5 Mountain Bike,  Image  of 
Rockrider Adult ST100 27.5 Mountain Bike,  Image  of 
Rockrider Adult ST100 27.5 Mountain Bike,  Image  of
Decathlon Rockrider

Rockrider Adult ST100 27.5 Mountain Bike

(Average rating: 4.43 out of 5 stars, 10340 Reviews)

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Rockrider Kids' ST100 20 
Rockrider Kids' ST100 20 
Rockrider Kids' ST100 20
Decathlon Btwin

Rockrider Kids' ST100 20" Mountain Bike - 3'11" to 4'5"

(Average rating: 4.59 out of 5 stars, 629 Reviews)

Sale price, $99.00 Regular price, $279.00

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BTwin BMX 500 Kids' Helmet,  Image  of 
BTwin BMX 500 Kids' Helmet,  Image  of 
BTwin BMX 500 Kids' Helmet,  Image  of
Decathlon Btwin

BTwin BMX 500 Kids' Helmet

(Average rating: 5.0 out of 5 stars, 1 Review)

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Rockrider ST500 Mountain Bike 24 
Rockrider ST500 Mountain Bike 24 
Rockrider ST500 Mountain Bike 24
Decathlon Btwin

Rockrider ST500 Mountain Bike 24" Kids 4'5" to 4'11"

(Average rating: 4.49 out of 5 stars, 5369 Reviews)

Sale price, $119.99 Regular price, $349.00

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Rockrider ST100 Moisture-Wicking Mountain Bike Shorts Men's,  Image  of 
Rockrider ST100 Moisture-Wicking Mountain Bike Shorts Men's,  Image  of 
Rockrider ST100 Moisture-Wicking Mountain Bike Shorts Men's,  Image  of
Decathlon Rockrider

Rockrider ST100 Moisture-Wicking Mountain Bike Shorts Men's

(Average rating: 4.13 out of 5 stars, 1935 Reviews)

Sale price, $10.00 Regular price, $19.99

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Triban 500 Road Cycling Gloves,  Image  of 
Triban 500 Road Cycling Gloves,  Image  of 
Triban 500 Road Cycling Gloves,  Image  of
Decathlon Triban

Triban 500 Road Cycling Gloves

(Average rating: 4.5 out of 5 stars, 4352 Reviews)

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Btwin 300 Central Bike Stand,  Image  of 
Btwin 300 Central Bike Stand,  Image  of 
Btwin 300 Central Bike Stand,  Image  of
Decathlon Btwin

Btwin 300 Central Bike Stand

(Average rating: 4.47 out of 5 stars, 6746 Reviews)

Regular price, $12.99 Regular price, $9,999,999.99

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Cycling Summer Training Base Layer,  Image  of 
Cycling Summer Training Base Layer,  Image  of 
Cycling Summer Training Base Layer,  Image  of
Decathlon Van Rysel

Cycling Summer Training Base Layer

(Average rating: 4.6 out of 5 stars, 2669 Reviews)

Regular price, $39.99 Regular price, $9,999,999.99

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Triban RC100 Bibless Road Cycling Shorts Men's,  Image  of 
Triban RC100 Bibless Road Cycling Shorts Men's,  Image  of 
Triban RC100 Bibless Road Cycling Shorts Men's,  Image  of
Decathlon Triban

Triban RC100 Bibless Road Cycling Shorts Men's

(Average rating: 4.16 out of 5 stars, 3625 Reviews)

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Btwin 500 0.6 L Saddle Bag,  Image  of 
Btwin 500 0.6 L Saddle Bag,  Image  of 
Btwin 500 0.6 L Saddle Bag,  Image  of
Decathlon Btwin

Btwin 500 0.6 L Saddle Bag

(Average rating: 4.51 out of 5 stars, 3220 Reviews)

Sale price, $9.99 Regular price, $14.99

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Rockrider ST500 Mountain Bike 20 
Rockrider ST500 Mountain Bike 20 
Rockrider ST500 Mountain Bike 20
Decathlon Btwin

Rockrider ST500 Mountain Bike 20" Kids 3'11" to 4'5"

(Average rating: 4.59 out of 5 stars, 3444 Reviews)

Sale price, $129.00 Regular price, $299.00

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Bike Floor Pump 500,  Image  of 
Bike Floor Pump 500,  Image  of 
Bike Floor Pump 500,  Image  of
Decathlon Riverside

Bike Floor Pump 500

(Average rating: 4.26 out of 5 stars, 5976 Reviews)

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Btwin 500 Hybrid Bike 16'' Kids' 3'7 
Btwin 500 Hybrid Bike 16'' Kids' 3'7 
Btwin 500 Hybrid Bike 16'' Kids' 3'7
Decathlon Btwin

Btwin 500 Hybrid Bike 16'' Kids' 3'7" to 4'0"

(Average rating: 4.63 out of 5 stars, 2574 Reviews)

Sale price, $125.00 Regular price, $249.00

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Triban 100 Padded Bibless Moisture Wicking Cycling Bike Shorts Women's,  Image  of 
Triban 100 Padded Bibless Moisture Wicking Cycling Bike Shorts Women's,  Image  of 
Triban 100 Padded Bibless Moisture Wicking Cycling Bike Shorts Women's,  Image  of
Decathlon Triban

Triban 100 Padded Bibless Moisture Wicking Cycling Bike Shorts Women's

(Average rating: 4.25 out of 5 stars, 1240 Reviews)

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Triban 500 Cycling Tank Top Women's,  Image  of 
Triban 500 Cycling Tank Top Women's,  Image  of 
Triban 500 Cycling Tank Top Women's,  Image  of
Decathlon Triban

Triban 500 Cycling Tank Top Women's

(Average rating: 4.51 out of 5 stars, 212 Reviews)

Sale price, $5.00 Regular price, $24.99

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Btwin Tire Lever 3-Pack,  Image  of 
Btwin Tire Lever 3-Pack,  Image  of 
Btwin Tire Lever 3-Pack,  Image  of
Decathlon Decathlon

Btwin Tire Lever 3-Pack

(Average rating: 4.55 out of 5 stars, 5546 Reviews)

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Btwin Schrader Inner Tube 27.5 x 1.9-2.5 x 48mm,  Image  of 
Btwin Schrader Inner Tube 27.5 x 1.9-2.5 x 48mm,  Image  of 
Btwin Schrader Inner Tube 27.5 x 1.9-2.5 x 48mm,  Image  of
Decathlon Decathlon

Btwin Schrader Inner Tube 27.5 x 1.9-2.5 x 48mm

(Average rating: 4.47 out of 5 stars, 3580 Reviews)

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Rockrider ST900 Mountain Bike 20 
Rockrider ST900 Mountain Bike 20 
Rockrider ST900 Mountain Bike 20
Decathlon Btwin

Rockrider ST900 Mountain Bike 20" Kids 3'11" to 4'5"

(Average rating: 4.51 out of 5 stars, 466 Reviews)

Sale price, $200.00 Regular price, $399.00

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Btwin 100 Frosty Blue Hybrid Bike 16 
Btwin 100 Frosty Blue Hybrid Bike 16 
Btwin 100 Frosty Blue Hybrid Bike 16
Decathlon Btwin

Btwin 100 Frosty Blue Hybrid Bike 16" Kids 3'7" to 4'0"

(Average rating: 4.57 out of 5 stars, 1077 Reviews)

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Rockrider ST500 Mountain Bike Undershorts Men's,  Image  of 
Rockrider ST500 Mountain Bike Undershorts Men's,  Image  of 
Rockrider ST500 Mountain Bike Undershorts Men's,  Image  of
Decathlon Rockrider

Rockrider ST500 Mountain Bike Undershorts Men's

(Average rating: 4.04 out of 5 stars, 1554 Reviews)

Sale price, $20.00 Regular price, $24.99

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About Our Mountain Biking Collection

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.

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. 

Mountain Bike Accessories

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. 

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.

Mountain Biking