Lightweight Mountain Bikes

Lightweight Mountain Bikes

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Rockrider ST540 Mountain Bike 27.5 Rockrider ST540 Mountain Bike 27.5 Rockrider ST540 Mountain Bike 27.5
Rockrider ST540 Mountain Bike 27.5
Decathlon Rockrider

Rockrider ST540 Mountain Bike 27.5"

(Average rating: 4.33 out of 5 stars, 2955 Reviews)

Sale price, $350.00 Regular price, $699.00

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

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

(Average rating: 4.52 out of 5 stars, 471 Reviews)

Sale price, $200.00 Regular price, $399.00

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Rockrider ST530 Mountain Bike 27.5 Rockrider ST530 Mountain Bike 27.5 Rockrider ST530 Mountain Bike 27.5
Rockrider ST530 Mountain Bike 27.5
Decathlon Rockrider

Rockrider ST530 Mountain Bike 27.5"

(Average rating: 4.36 out of 5 stars, 3226 Reviews)

Sale price, $300.00 Regular price, $599.00

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

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

(Average rating: 4.59 out of 5 stars, 3446 Reviews)

Sale price, $129.00 Regular price, $299.00

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Rockrider ST500 Mountain Bike 24 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: 4.5 out of 5 stars, 5454 Reviews)

Sale price, $149.00 Regular price, $349.00

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Free shipping over $49

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About Our Lightweight Mountain Bikes Collection

At Decathlon, we have many in-house cycling brands, each one geared exclusively to meet your needs whether you're riding on the road, in the mountains, or maneuvering through the forest. 

Mountain Bikes

Our Artengo 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.

Folding Mountain Bikes

If you’re always on the go but tight on space, our Btwin folding bikes are perfect for your commute and your apartment. Complete each leg of your trip with a versatile bike that is there when you need it and folds away when you don’t.

Electric Bikes

If you’re looking for a little extra power on your commute, our Btwin electric bikes offer you a helping hand. Efficient, quiet, and powerful, these bikes help you get where you need to go on even more types of terrain. Take a look at our range of electric bikes, including the Btwin Triban 500 and Btwin Rockrider 500.

Folding Bikes

If you’re always on the move but tight on space, our Btwin folding bikes are perfect for your commute and your apartment. Complete each leg of your trip with a versatile bike that is there when you need it and folds away when you don’t.