MTB Accessories

Find all the MTB accessories, tools and extras you need as a cyclist. From bike locks to water bottles, we have all the essentials at Decathlon so you can go off road safely, comfortably and in style.
49 items
BTWIN 24"- 26" Bike Mudguard Kit 300
BTWIN 24"- 26" Bike Mudguard Kit 300
Rate: 4.1 stars, 6469 votes
£7.99£8.49
BTWIN City Cycling Helmet 500 - Green
BTWIN City Cycling Helmet 500 - Beige
BTWIN 500 City Cycling Helmet - Neon Yellow
BTWIN 500 City Cycling Helmet - Neon Yellow
Gallery item 1 out of 4
BTWIN City Cycling Helmet 500 - Green
Rate: 4.6 stars, 4270 votes
4 colors
£27.99
Was £29.99
BTWIN Kids' Bike Helmet 500 - Pink
BTWIN Baby Cycling Helmet 500 - Neon
Gallery item 1 out of 2
BTWIN Kids' Bike Helmet 500 - Pink
Rate: 4.6 stars, 1358 votes
2 colors
£14.99
BTWIN Women's Waterproof Urban Cycling Jacket - Neon Yellow
BTWIN Women's Waterproof Urban Cycling Jacket - Neon Yellow
Rate: 4.5 stars, 300 votes
£29.99
BTWIN 500 Cycling Smartphone Holder - Black
BTWIN 500 Cycling Smartphone Holder - Black
Rate: 4.0 stars, 1973 votes
£9.99
BTWIN Hydration Bladder Cleaning Kit - Blue
BTWIN Hydration Bladder Cleaning Kit - Blue
Rate: 4.5 stars, 1077 votes
£8.99
BTWIN 300 Central Stand
BTWIN 300 Central Stand
Rate: 4.5 stars, 6797 votes
£7.99£8.49
BTWIN 500 Chainstay Stand
BTWIN 500 Chainstay Stand
Rate: 4.6 stars, 8547 votes
£13.99
BTWIN Bike Stand 100 20" 24"
BTWIN Bike Stand 100 20" 24"
Rate: 4.6 stars, 4037 votes
£7.99£8.49
BTWIN Frame-mounted bottle cage with side opening for a 380ml bottle.
BTWIN Frame-mounted bottle cage with side opening for a 380ml bottle.
Rate: 4.5 stars, 448 votes
£4.99
BTWIN Day/Night Visibility Waterproof Helmet Cover 960 - Neon Yellow
BTWIN Day/Night Visibility Waterproof Helmet Cover 960 - Neon Yellow
Rate: 4.6 stars, 71 votes
£13.99
BTWIN Flash Road Bike Saddle Mudguard - Black
BTWIN Flash Road Bike Saddle Mudguard - Black
Rate: 4.2 stars, 747 votes
£3.29
BTWIN Waterproof Day/Night Visibility Bag Cover - Neon Yellow
BTWIN Waterproof Day/Night Visibility Bag Cover - Neon Pink
Gallery item 1 out of 2
BTWIN Waterproof Day/Night Visibility Bag Cover - Neon Yellow
Rate: 4.6 stars, 532 votes
2 colors
£9.99
BTWIN 100 Men's Waterproof Urban Cycling Jacket - Neon Yellow
BTWIN 100 Men's Waterproof Urban Cycling Jacket - Neon Yellow
Rate: 4.5 stars, 496 votes
£29.99
BTWIN 500 Central Stand
BTWIN 500 Central Stand
Rate: 4.4 stars, 2165 votes
£13.99
BTWIN 24"/26" Mountain Bike Mudguard
BTWIN 24"/26" Mountain Bike Mudguard
Rate: 4.3 stars, 179 votes
£14.99
BTWIN Bike Frame Lock 900 L ART2
BTWIN Bike Frame Lock 900 L ART2
Rate: 4.3 stars, 34 votes
£24.99
BTWIN Cycling Trouser Clip - Yellow
BTWIN Cycling Trouser Clip - Yellow
Rate: 4.2 stars, 1287 votes
£2.99
Was £3.29
BTWIN Kids' 2-in-1 Bike Bell Firstbell - Blue
BTWIN Kids' 2-in-1 Bike Bell Firstbell - Yellow
Gallery item 1 out of 2
BTWIN Kids' 2-in-1 Bike Bell Firstbell - Blue
Rate: 4.5 stars, 68 votes
2 colors
£8.99
BTWIN Adult High Visibility Cycling Safety Vest - Neon Pink
BTWIN Adult High Visibility Cycling Safety Vest - Neon Orange
BTWIN Adult High Visibility Cycling Safety Vest - Neon Yellow
Gallery item 1 out of 3
BTWIN Adult High Visibility Cycling Safety Vest - Neon Pink
Rate: 4.8 stars, 272 votes
3 colors
£7.99
BTWIN Night Visibility Waterproof Helmet Cover 940 - Black
BTWIN Night Visibility Waterproof Helmet Cover 940 - Black
£13.99
BTWIN Water Bladder Hose Insulation Sleeve - Black
BTWIN Water Bladder Hose Insulation Sleeve - Black
Rate: 4.3 stars, 402 votes
£5.99
BTWIN Clear Hydration Bladder Bite Valve
BTWIN Hydration Bladder Bite Valve
Gallery item 1 out of 2
BTWIN Clear Hydration Bladder Bite Valve
Rate: 4.2 stars, 1214 votes
2 colors
£3.99
BTWIN Kids' 3-6 Years 350 ml Bike Bottle with Straw - Yellow
BTWIN Kids' 3-6 Years 350 ml Bike Bottle with Straw - Pink
Gallery item 1 out of 2
BTWIN Kids' 3-6 Years 350 ml Bike Bottle with Straw - Yellow
Rate: 4.7 stars, 23 votes
2 colors
£6.99
BTWIN Bell Easy Dring 500 - Black/Khaki
BTWIN Kids' Bike Bell Easy Dring 500 - Black/Yellow
BTWIN Kids' Bike Bell Easy Dring 500 - Black/Pink
Gallery item 1 out of 3
BTWIN Bell Easy Dring 500 - Black/Khaki
Rate: 3.9 stars, 103 votes
3 colors
£5.99
BTWIN Kids' 380 ml Water Bottle 500 - Black/Coral
BTWIN Kids' Water Bottle 500 380 ml - Black/Grey
BTWIN Kids' 380 ml Water Bottle 500 - Khaki
Gallery item 1 out of 3
BTWIN Kids' 380 ml Water Bottle 500 - Black/Coral
Rate: 4.0 stars, 1026 votes
3 colors
£4.99
BTWIN Kids' Bike Horn - Yellow Unicorn
BTWIN Kids' Bike Horn Unicorn - White Unicorn
Gallery item 1 out of 2
BTWIN Kids' Bike Horn - Yellow Unicorn
Rate: 4.6 stars, 850 votes
2 colors
£6.99
BTWIN Robot Children's Bike Horn
BTWIN Robot Children's Bike Horn
Rate: 4.3 stars, 451 votes
£6.99
BTWIN Kids' 20" Mountain Bike Mudguard
BTWIN Kids' 20" Mountain Bike Mudguard
Rate: 4.2 stars, 173 votes
£9.99
BTWIN Folding Bike Adjustable Stand - 20"
BTWIN Folding Bike Adjustable Stand - 20"
£9.99
BTWIN Kids' Cycling 3-6 Years 350 ml Stainless Steel Bottle with Straw - Blue
BTWIN Kids' Cycling 3-6 Years 350 ml Stainless Steel Bottle with Straw - Blue
£9.99
BTWIN Day and Night Visibility Bag Band - Neon Yellow
BTWIN Day and Night Visibility Bag Band - Neon Pink
BTWIN Day and Night Visibility Bag Band - Neon Orange
Gallery item 1 out of 3
BTWIN Day and Night Visibility Bag Band - Neon Yellow
Rate: 4.6 stars, 211 votes
3 colors
£6.99
Was £7.49
BTWIN Cycling Hi-Vis Armband - Neon Yellow
BTWIN Cycling Hi-Vis Armband - Neon Yellow
Rate: 4.6 stars, 1957 votes
£4.99
BTWIN Kids' Bike Horn - Blue
BTWIN Children's Bike Horn - Red
BTWIN Kids' Bike Horn - Yellow
BTWIN Kids' Bike Horn - Beige
Gallery item 1 out of 4
BTWIN Kids' Bike Horn - Blue
Rate: 4.4 stars, 1168 votes
4 colors
£5.99£6.49
BTWIN Additional Anti-Theft Cable
BTWIN Additional Anti-Theft Cable
Rate: 4.7 stars, 36 votes
£6.99
BTWIN Kids' Bike Siren
BTWIN Fire Brigade Siren
Gallery item 1 out of 2
BTWIN Kids' Bike Siren
Rate: 4.5 stars, 732 votes
2 colors
£12.99
Was £13.99
BTWIN Trekking Bike Bottle 750ml
BTWIN Trekking Bike Bottle 750ml
Rate: 4.3 stars, 700 votes
£4.99
BTWIN Balance Bike Kickstand Runride 10 & 12 Inch Models
BTWIN Balance Bike Kickstand Runride 10 & 12 Inch Models
Rate: 4.3 stars, 44 votes
£7.99
BTWIN Bike Bottle Cage Screws 16 mm x2
BTWIN Bike Bottle Cage Screws 16 mm x2
Rate: 4.6 stars, 731 votes
£1.99
Was £2.29
BTWIN Bike Bottle Cage Handlebar/Stem/Seat Post Adapter
BTWIN Bike Bottle Cage Handlebar/Stem/Seat Post Adapter
Rate: 4.3 stars, 821 votes
£5.99
4.4/5 based on 54627 reviews collected online and in stores

Mountain Bike Accessories

Our range of quality MTB accessories includes everything you need to ensure an enjoyable and successful ride. It covers everything from useful hydration backpacks to protective mudguards and everything you could need to ensure a fully equipped biking adventure.

MTB Accessories UK

At Decathlon we stock everything you need to make mountain biking fun, enjoyable and packed full of thrills. Our range of women’s mountain bikesandmen’s mountain bikes ensure you’ve got a quality set of wheels to set off on and this backed up by our exciting range of accessories to ensure every ride is memorable for the right reasons.

Cool MTB Accessories

Our range of MTB accessories includes locks, lights, GPS trackers, fitness monitors and more. The range grows regularly with the latest trends in MTB accessories and products. We also stock plenty of mountain bike clothingto ensure you’re comfortable on your next ride and if you’re ready a new style of cycling, consider trying one of ourelectric mountain bikes.