Bike Parts

Would your bike pass a roadworthy test? Find all the bike parts you need to keep your ride in tip-top condition here at Decathlon. From road to mountain bike parts, we've got it all.
456 items
VAN RYSEL Long-Distance Triathlon Handlebar Extensions
VAN RYSEL Long-Distance Triathlon Handlebar Extensions
Rate: 4.5 stars, 536 votes
£39.99
LOOK Keo 2 Max Road Bike Pedals
LOOK Keo 2 Max Road Bike Pedals
Rate: 4.6 stars, 150 votes
£59.99
DECATHLON Seat Post With Suspension 27.2mm Diameter And 29.8mm - 33mm Adaptor
DECATHLON Seat Post With Suspension 27.2mm Diameter And 29.8mm - 33mm Adaptor
Rate: 4.1 stars, 784 votes
£24.99
DECATHLON Seat Post 27.2mm - 29.8mm to 33mm - Black
DECATHLON Seat Post 27.2mm - 29.8mm to 33mm - Black
Rate: 4.3 stars, 676 votes
£19.99
LOOK Keo 2 Max Carbon Road Pedals
LOOK Keo 2 Max Carbon Road Pedals
Rate: 4.6 stars, 160 votes
£79.99£89.99
BTWIN 100 Resin Road Bike Pedals with Toe Clips
BTWIN 100 Resin Road Bike Pedals with Toe Clips
Rate: 4.0 stars, 206 votes
£11.99
DECATHLON 90° Cycling Saddle
DECATHLON 90° Cycling Saddle
Rate: 4.5 stars, 1059 votes
£14.99
ROCKRIDER Clipless Flat Aluminium Mountain Bike Pedals 500 - Black
ROCKRIDER Clipless Flat Aluminium Mountain Bike Pedals 500 - Black
Rate: 4.1 stars, 1145 votes
£27.99
DECATHLON 90° XL Gel City Bike Saddle
DECATHLON 90° XL Gel City Bike Saddle
Rate: 4.7 stars, 1133 votes
£29.99
DECATHLON 60° LD Mountain Bike Saddle
DECATHLON 60° LD Mountain Bike Saddle
Rate: 4.4 stars, 40 votes
£24.99
Was £34.99
DECATHLON 90° Gel Bike Saddle
DECATHLON 90° Gel Bike Saddle
Rate: 4.5 stars, 667 votes
£27.99
SHIMANO Mountain Bike Clipless Pedals M520 SPD - Black
SHIMANO Mountain Bike Clipless Pedals M520 SPD - Black
Rate: 4.7 stars, 1187 votes
£29.99£34.99
DECATHLON 500 Memory Foam Saddle Cover Size M - Black
DECATHLON 500 Memory Foam Saddle Cover Size M - Black
Rate: 4.4 stars, 5709 votes
£8.99
Was £9.99
DECATHLON 500 Saddle Cover MemoryFoam - Size L - Black
DECATHLON 500 Saddle Cover MemoryFoam - Size L - Black
Rate: 4.4 stars, 4089 votes
£8.99
Was £9.99
DECATHLON 23.4mm Diameter Seat Post 25mm to 27.2mm
DECATHLON 23.4mm Diameter Seat Post 25mm to 27.2mm
Rate: 4.2 stars, 426 votes
£19.99
ROCKRIDER Flat Aluminium Mountain Bike Pedals
ROCKRIDER Flat Aluminium Mountain Bike Pedals
Rate: 4.2 stars, 770 votes
£14.99
ROCKRIDER Flat Resin Mountain Bike Pedals 100 - Black
ROCKRIDER Flat Resin Mountain Bike Pedals 100 - Black
Rate: 4.5 stars, 1363 votes
£6.99
BTWIN Unisex Hybrid Trekking MTB City Gel Bike Saddle
BTWIN Unisex Hybrid Trekking MTB City Gel Bike Saddle
Rate: 4.5 stars, 2386 votes
£27.99
DECATHLON SD Memory Foam 60° Trekking/City Bike Saddle
DECATHLON SD Memory Foam 60° Trekking/City Bike Saddle
Rate: 4.6 stars, 39 votes
£24.99
SHIMANO Clipless Trail Mountain Bike Pedals SPD PD-ME700 - Black
SHIMANO Clipless Trail Mountain Bike Pedals SPD PD-ME700 - Black
Rate: 4.6 stars, 127 votes
£39.99
DECATHLON Ergonomic Handlebar Grips City 500
DECATHLON Ergonomic Handlebar Grips City 500
Rate: 4.5 stars, 747 votes
£9.99
BTWIN Shimano SPD SL-Compatible Cleats
BTWIN Shimano SPD SL-Compatible Cleats
Rate: 4.3 stars, 448 votes
£12.99
BTWIN City Bike Resin Folding Platform Pedals - Black
BTWIN City Bike Resin Folding Platform Pedals - Black
Rate: 4.5 stars, 475 votes
£11.99
DECATHLON Oversize Bike Stem 35mm (31.8mm)
DECATHLON Oversize Bike Stem 35mm (31.8mm)
Rate: 4.7 stars, 404 votes
£14.99
SHIMANO Clipless Flat Aluminium MTB Pedals M324 SPD
SHIMANO Clipless Flat Aluminium MTB Pedals M324 SPD
Rate: 4.6 stars, 448 votes
£49.99
LOOK Keo Blade Carbon Black
LOOK Keo Blade Carbon Black
Rate: 4.4 stars, 92 votes
£99.99
SHIMANO Clipless Enduro Mountain Bike Pedals SPD Deore XT PD-M8120 - Black
SHIMANO Clipless Enduro Mountain Bike Pedals SPD Deore XT PD-M8120 - Black
Rate: 4.7 stars, 31 votes
£89.99
BTWIN High-Performance Road Bike Stem - Satin Black
BTWIN High-Performance Road Bike Stem - Satin Black
Rate: 4.7 stars, 162 votes
£19.99
SHIMANO RS500 SPD-SL Road Bike Pedals
SHIMANO RS500 SPD-SL Road Bike Pedals
Rate: 4.6 stars, 158 votes
£39.99
BTWIN Multiposition Road Bike Handlebar Extender
BTWIN Multiposition Road Bike Handlebar Extender
Rate: 4.0 stars, 164 votes
£29.99
DECATHLON 30° Gel Cycling Saddle
DECATHLON 30° Gel Cycling Saddle
Rate: 4.3 stars, 601 votes
£24.99
DECATHLON Children's Bike Saddle Cover
DECATHLON Children's Bike Saddle Cover
Rate: 4.3 stars, 831 votes
£8.99
BTWIN Ergo Road Handlebar - 31.8mm
BTWIN Ergo Road Handlebar - 31.8mm
Rate: 4.5 stars, 131 votes
£24.99
VAN RYSEL 520 Clipless Road Bike Pedals
VAN RYSEL 520 Clipless Road Bike Pedals
Rate: 4.4 stars, 556 votes
£29.99
DECATHLON 34.9 mm Seat Clamp
DECATHLON 34.9 mm Seat Clamp
Rate: 4.5 stars, 221 votes
£5.49
ROCKRIDER Clipless Mountain Bike Pedals 520 - Black
ROCKRIDER Clipless Mountain Bike Pedals 520 - Black
Rate: 3.9 stars, 999 votes
£24.99
DECATHLON Adjustable Aheadset Oversize Stem
DECATHLON Adjustable Aheadset Oversize Stem
Rate: 4.4 stars, 924 votes
£19.99
DECATHLON 31.8 mm Seat Clamp - Silver
DECATHLON 31.8 mm Seat Clamp - Silver
Rate: 4.5 stars, 272 votes
£6.99
ROCKRIDER Shimano SPD Compatible Cleats - Black
ROCKRIDER Shimano SPD Compatible Cleats - Black
Rate: 4.4 stars, 1385 votes
£9.99
DECATHLON 60° MD MTB / Trekking / City Bike Saddle
DECATHLON 60° MD MTB / Trekking / City Bike Saddle
Rate: 4.5 stars, 51 votes
£19.99
4.3/5 based on 56680 reviews collected online and in stores

Replacement Bike Parts

All bikes need maintaining to ensure they stay road-worthy and safe and give you the best ride. Our range of parts is here to make replacing damaged or tired parts a breeze. We’ve got pedals and saddles, through to handlebar grips and electric bike parts. Many of our stores offer a workshop service to fit many parts or you could even opt for a bike workstand if you prefer to do it yourself.

Bike Spare Parts

Whether you’ve tricked out your BMX or worn the pedals down on your road bike, we have all the spare parts you could need to get your bike back to its best. Even if you’re simply looking to upgrade your bike and enhance its performance, we can help with our range of parts and products. Our range includes bike framesandbike frame spares, ensuring you have the best quality at the core of your bicycle.

Bike Toolkits and Accessories

We want you to enjoy your time on the road as much as possible, and a fully functioning bike is vital for us. We stock a great range of bike tools and kits so you can get to work and tune your bike to perfection.