Mountain Bike Parts

Looking for mountain bike parts? Shop our full range, including frames, saddles, seat covers, forks and handlebar grips. Top brands on offer include Rockrider and in-house made Decathlon parts. Whatever you need, you’ll find it below.
227 items
DECATHLON SD Memory Foam 60° Trekking/City Bike Saddle
DECATHLON SD Memory Foam 60° Trekking/City Bike Saddle
Rate: 4.8 stars, 91 votes
In stock for delivery
£24.99
Sale
SHIMANO Mountain Bike Clipless Pedals M520 SPD - Black
SHIMANO Mountain Bike Clipless Pedals M520 SPD - Black
Rate: 4.7 stars, 646 votes
In stock for delivery
£29.99£34.99
DECATHLON 500 Saddle Cover MemoryFoam - Size L - Black
DECATHLON 500 Saddle Cover MemoryFoam - Size L - Black
Rate: 4.6 stars, 2582 votes
In stock for delivery
£8.99
ROCKRIDER Shimano SPD Compatible Cleats - Black
ROCKRIDER Shimano SPD Compatible Cleats - Black
Rate: 4.5 stars, 624 votes
In stock for delivery
£9.99
£5.00/undefined
DECATHLON Oversize Bike Stem 35 mm (31.8 mm)
DECATHLON Oversize Bike Stem 35 mm (31.8 mm)
Rate: 4.9 stars, 8 votes
In stock for delivery
£14.99
BTWIN Unisex Hybrid Trekking MTB City Gel Bike Saddle
BTWIN Unisex Hybrid Trekking MTB City Gel Bike Saddle
Rate: 4.6 stars, 1254 votes
In stock for delivery
£27.99
ROCKRIDER 100 Short Sport Grips
ROCKRIDER 100 Short Sport Grips
Rate: 4.6 stars, 471 votes
In stock for delivery
£4.99
£2.50/undefined
SHIMANO Shimano SM-SH10 Clipless SPD-SL Pedal Cleats 0 Degree Float - Red
SHIMANO Shimano SM-SH12 Clipless SPD-SL Pedal Cleats 2 Degree Float - Blue
SHIMANO Shimano SM-SH11 Clipless SPD-SL Pedal Cleats 6 Degree Float - Yellow
Gallery item 1 out of 3
SHIMANO Shimano SM-SH10 Clipless SPD-SL Pedal Cleats 0 Degree Float - Red
Rate: 4.7 stars, 3 votes
3 colours
Sold and shipped by Sprocket and Gear Ltd
In stock for delivery
£24.10
DECATHLON Adjustable Aheadset Oversize Stem
DECATHLON Adjustable Aheadset Oversize Stem
Rate: 4.6 stars, 407 votes
In stock for delivery
£19.99
ROCKRIDER Flat Resin Mountain Bike Pedals 100 - Black
ROCKRIDER Flat Resin Mountain Bike Pedals 100 - Black
Rate: 4.6 stars, 709 votes
In stock for delivery
£6.99
£3.50/undefined
DECATHLON Curved Bar Ends - Black
DECATHLON Curved Bar Ends - Black
Rate: 4.7 stars, 229 votes
In stock for delivery
£11.99
£6.00/undefined
DECATHLON 35° Oversize Raised Bike Stem 110 mm
DECATHLON 35° Oversize Raised Bike Stem 110 mm
Rate: 4.8 stars, 6 votes
In stock for delivery
£14.99
DECATHLON Unisex 145 mm Road / Gravel / MTB Saddle Comfort
DECATHLON Unisex 145 mm Road / Gravel / MTB Saddle Comfort
Rate: 4.5 stars, 25 votes
In stock for delivery
£24.99
DECATHLON Ergonomic Bar Ends - Black
DECATHLON Ergonomic Bar Ends - Black
Rate: 4.8 stars, 130 votes
In stock for delivery
£9.99
BTWIN Handlebar End Plugs
BTWIN Handlebar End Plugs
Rate: 4.6 stars, 208 votes
In stock for delivery
£3.99
£2.00/undefined
SHIMANO Clipless Trail Mountain Bike Pedals SPD PD-ME700 - Black
SHIMANO Clipless Trail Mountain Bike Pedals SPD PD-ME700 - Black
Rate: 4.6 stars, 144 votes
In stock for delivery
£39.99
New lower price
DECATHLON 60° LD Mountain Bike Saddle
DECATHLON 60° LD Mountain Bike Saddle
Rate: 4.4 stars, 69 votes
In stock for delivery
£24.99
Was £34.99
DECATHLON 500 Memory Foam Saddle Cover Size M - Black
DECATHLON 500 Memory Foam Saddle Cover Size M - Black
Rate: 4.7 stars, 5276 votes
In stock for delivery
£8.99
SHIMANO Metal SPD Compatible Cleats
SHIMANO Metal SPD Compatible Cleats
Rate: 4.7 stars, 370 votes
In stock for delivery
£12.99
Sale
SHIMANO Clipless Flat Aluminium MTB Pedals M324 SPD
SHIMANO Clipless Flat Aluminium MTB Pedals M324 SPD
Rate: 4.6 stars, 266 votes
In stock for delivery
£44.99£49.99
DECATHLON Seat Post 27.2mm - 29.8mm to 33mm - Black
DECATHLON Seat Post 27.2mm - 29.8mm to 33mm - Black
Rate: 4.5 stars, 279 votes
In stock for delivery
£19.99
Last chance
DECATHLON 60mm Oversize Stem
DECATHLON 60mm Oversize Stem
Rate: 4.7 stars, 77 votes
In stock for delivery
£14.99
DECATHLON Children's Bike Saddle Cover
DECATHLON Children's Bike Saddle Cover
Rate: 4.7 stars, 1180 votes
In stock for delivery
£8.99
DECATHLON Unisex Road/Mountain Bike Saddle Light 155 mm
DECATHLON Unisex Road/Mountain Bike Saddle Light 155 mm
Rate: 4.9 stars, 8 votes
In stock for delivery
£39.99
DECATHLON 25.4mm Leisure Handlebars
DECATHLON 25.4mm Leisure Handlebars
Rate: 4.8 stars, 63 votes
In stock for delivery
£9.99
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, 412 votes
In stock for delivery
£24.99
ROCKRIDER Clipless Flat Aluminium Mountain Bike Pedals 500 - Black
ROCKRIDER Clipless Flat Aluminium Mountain Bike Pedals 500 - Black
Rate: 4.3 stars, 573 votes
In stock for delivery
£27.99
OXFORD Oxford Waterproof Saddle Cover
OXFORD Oxford Waterproof Saddle Cover
Sold and shipped by Sprocket and Gear Ltd
In stock for delivery
£12.80
DECATHLON Ergonomic Handlebar Grips City 500
DECATHLON Ergonomic Handlebar Grips City 500
Rate: 4.6 stars, 459 votes
In stock for delivery
£9.99
£5.00/undefined
DECATHLON Aluminium Steering Spacers
DECATHLON Aluminium Steering Spacers
Rate: 4.8 stars, 212 votes
In stock for delivery
£4.99
DECATHLON 60° MD MTB / Trekking / City Bike Saddle
DECATHLON 60° MD MTB / Trekking / City Bike Saddle
Rate: 4.6 stars, 82 votes
In stock for delivery
£19.99
ROCKRIDER Flat Aluminium Mountain Bike Pedals 500
ROCKRIDER Flat Aluminium Mountain Bike Pedals 500
Rate: 4.3 stars, 393 votes
In stock for delivery
£14.99
ROCKRIDER Raised Oversize 31.8 mm x 720 mm Handlebar
ROCKRIDER Raised Oversize 31.8 mm x 720 mm Handlebar
Rate: 4.8 stars, 214 votes
In stock for delivery
£19.99
New lower price
DECATHLON 50 mm Quick Release Seat Post Clamp
DECATHLON 50 mm Quick Release Seat Post Clamp
Rate: 4.4 stars, 32 votes
In stock for delivery
£4.99
Was £7.49
DECATHLON Waterresist Bike Saddle Cover - Black
DECATHLON Waterresist Bike Saddle Cover - Black
Rate: 4.0 stars, 233 votes
In stock for delivery
£5.99
ROCKRIDER Comfort 500 Sport Grips
ROCKRIDER Comfort 500 Sport Grips
Rate: 4.6 stars, 587 votes
In stock for delivery
£6.99
£3.50/undefined
DECATHLON 34.9 mm Seat Clamp
DECATHLON 34.9 mm Seat Clamp
Rate: 4.7 stars, 102 votes
In stock for delivery
£5.49
ROCKRIDER Aluminium Mountain Bike Platform Pedals 900 - Black
ROCKRIDER Aluminium Mountain Bike Platform Pedals 900 - Black
Rate: 4.6 stars, 216 votes
In stock for delivery
£44.99
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, 39 votes
In stock for delivery
£89.99
BTWIN Kids' Bike Pedals 16" and 20"
BTWIN Kids' Bike Pedals 16" and 20"
Rate: 4.6 stars, 50 votes
In stock for delivery
£7.99
4.5/5 based on 24553 reviews collected online and in stores

MOUNTAIN BIKE PARTS, UK

Decathlon has a full range of mountain bike parts, so you can replace worn out pedals, upgrade to a more comfortable saddle or customise your handlebars with ease. Whatever parts you need for your MTB, you’ll find them here.

When it comes to mountain bike parts, be sure to always check the compatibility with your bike. Because we stock many leading brands, from Shimano and Btwin to Rockrider, you’ll likely find a like-for-like replacement every time. But, always check the diameters and sizing to make sure you’ve got the right one. If you do happen to order the wrong part from our online store it’s not a problem – you can send it back with free returns.

While you’re browsing, why not head to our mountain bikespage? Other sections worth checking out include ourmountain bike maintenance equipmentin case of issues with your bike, ourmountain bike cassettesfor various speeds and ourmountain bike chainrings.