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.
88 items
DECATHLON SD Memory Foam 60° Trekking/City Bike Saddle
DECATHLON SD Memory Foam 60° Trekking/City Bike Saddle
Rate: 4.6 stars, 44 votes
£24.99
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, 789 votes
£24.99
DECATHLON 60° LD Mountain Bike Saddle
DECATHLON 60° LD Mountain Bike Saddle
Rate: 4.4 stars, 42 votes
£24.99
Was £34.99
SHIMANO Clipless Flat Aluminium MTB Pedals M324 SPD
SHIMANO Clipless Flat Aluminium MTB Pedals M324 SPD
Rate: 4.6 stars, 449 votes
£44.99£49.99
SHIMANO Clipless Trail Mountain Bike Pedals SPD PD-ME700 - Black
SHIMANO Clipless Trail Mountain Bike Pedals SPD PD-ME700 - Black
Rate: 4.6 stars, 128 votes
£39.99
ROCKRIDER 100 Short Sport Grips
ROCKRIDER 100 Short Sport Grips
Rate: 4.4 stars, 994 votes
£4.49
DECATHLON 30° Road Bike Gravel MTB Saddle
DECATHLON 30° Road Bike Gravel MTB Saddle
Rate: 4.5 stars, 332 votes
£24.99
DECATHLON 500 Saddle Cover MemoryFoam - Size L - Black
DECATHLON 500 Saddle Cover MemoryFoam - Size L - Black
Rate: 4.4 stars, 4102 votes
£8.99
DECATHLON Seat Post 27.2mm - 29.8mm to 33mm - Black
DECATHLON Seat Post 27.2mm - 29.8mm to 33mm - Black
Rate: 4.3 stars, 677 votes
£19.99
ROCKRIDER Shimano SPD Compatible Cleats - Black
ROCKRIDER Shimano SPD Compatible Cleats - Black
Rate: 4.4 stars, 1393 votes
£9.99
SELLE ITALIA C2 Gel Flow Saddle - Black
SELLE ITALIA C2 Gel Flow Saddle - Black
Rate: 4.1 stars, 459 votes
£44.99
DECATHLON Kids' 20/24" 60° Bike Saddle
DECATHLON Kids' 20/24" 60° Bike Saddle
Rate: 4.5 stars, 222 votes
£14.99
DECATHLON Unisex Road/Mountain Bike Saddle Light 145mm
DECATHLON Unisex Road/Mountain Bike Saddle Light 145mm
£39.99
DECATHLON 23.4mm Diameter Seat Post 25mm to 27.2mm
DECATHLON 23.4mm Diameter Seat Post 25mm to 27.2mm
Rate: 4.2 stars, 427 votes
£19.99
DECATHLON Oversize Bike Stem 35mm (31.8mm)
DECATHLON Oversize Bike Stem 35mm (31.8mm)
Rate: 4.7 stars, 407 votes
£14.99
DECATHLON Unisex 145 mm Road / Gravel / MTB Saddle Comfort
DECATHLON Unisex 145 mm Road / Gravel / MTB Saddle Comfort
Rate: 4.9 stars, 7 votes
£24.99
SHIMANO Mountain Bike Clipless Pedals M520 SPD - Black
SHIMANO Mountain Bike Clipless Pedals M520 SPD - Black
Rate: 4.7 stars, 1193 votes
£29.99£34.99
BTWIN Unisex Hybrid Trekking MTB City Gel Bike Saddle
BTWIN Unisex Hybrid Trekking MTB City Gel Bike Saddle
Rate: 4.5 stars, 2396 votes
£27.99
DECATHLON 30° Gel Cycling Saddle
DECATHLON 30° Gel Cycling Saddle
Rate: 4.3 stars, 603 votes
£24.99
ROCKRIDER Flat Aluminium Mountain Bike Pedals
ROCKRIDER Flat Aluminium Mountain Bike Pedals
Rate: 4.2 stars, 774 votes
£14.99
SHIMANO Clipless XC Mountain Bike Pedals SPD Deore XT PD-M8100 Metal
SHIMANO Clipless XC Mountain Bike Pedals SPD Deore XT PD-M8100 Metal
Rate: 4.7 stars, 107 votes
£79.99
ROCKRIDER Aluminium Mountain Bike Platform Pedals 900 - Black
ROCKRIDER Aluminium Mountain Bike Platform Pedals 900 - Black
Rate: 4.6 stars, 565 votes
£44.99
DECATHLON 34.9 mm Seat Clamp
DECATHLON 34.9 mm Seat Clamp
Rate: 4.5 stars, 221 votes
£5.49
DECATHLON Grips City 100
DECATHLON Grips City 100
Rate: 4.4 stars, 799 votes
£7.99
ROCKRIDER Clipless Mountain Bike Pedals 520 - Black
ROCKRIDER Clipless Mountain Bike Pedals 520 - Black
Rate: 3.9 stars, 1002 votes
£24.99
DECATHLON Universal Stem and Handlebar Adaptors
DECATHLON Universal Stem and Handlebar Adaptors
Rate: 4.6 stars, 225 votes
£6.99
DECATHLON 60° MD MTB / Trekking / City Bike Saddle
DECATHLON 60° MD MTB / Trekking / City Bike Saddle
Rate: 4.5 stars, 52 votes
£19.99
ROCKRIDER Clipless Flat Aluminium Mountain Bike Pedals 500 - Black
ROCKRIDER Clipless Flat Aluminium Mountain Bike Pedals 500 - Black
Rate: 4.1 stars, 1146 votes
£27.99
DECATHLON Kids' 14/16" 60° Bike Saddle
DECATHLON Kids' 14/16" 60° Bike Saddle
Rate: 4.6 stars, 273 votes
£14.99
DECATHLON 28.6 mm Seat Clamp
DECATHLON 28.6 mm Seat Clamp
Rate: 4.5 stars, 186 votes
£4.99
Was £7.49
DECATHLON Rear Derailleur Guard
DECATHLON Rear Derailleur Guard
Rate: 4.2 stars, 248 votes
£3.99
DECATHLON 80mm Oversize Stem
DECATHLON 80mm Oversize Stem
Rate: 4.5 stars, 150 votes
£14.99
BTWIN Kids' Bike Pedals 16" and 20"
BTWIN Kids' Bike Pedals 16" and 20"
Rate: 4.6 stars, 127 votes
£7.99
DECATHLON Children's Bike Saddle Cover
DECATHLON Children's Bike Saddle Cover
Rate: 4.4 stars, 836 votes
£8.99
SHIMANO Metal SPD Compatible Cleats
SHIMANO Metal SPD Compatible Cleats
Rate: 4.7 stars, 544 votes
£12.99
DECATHLON Headset Stem Star Stopper
DECATHLON Headset Stem Star Stopper
Rate: 4.6 stars, 97 votes
£4.99
DECATHLON Ergonomic Bar Ends - Black
DECATHLON Ergonomic Bar Ends - Black
Rate: 4.6 stars, 456 votes
£9.99
DECATHLON 60mm Oversize Stem
DECATHLON 60mm Oversize Stem
Rate: 4.6 stars, 290 votes
£14.99
ROCKRIDER Raised Oversize 31.8 mm x 720 mm Handlebar
ROCKRIDER Raised Oversize 31.8 mm x 720 mm Handlebar
Rate: 4.7 stars, 515 votes
£17.99
DECATHLON 25.4mm Leisure Handlebars
DECATHLON 25.4mm Leisure Handlebars
Rate: 4.5 stars, 236 votes
£9.99
4.4/5 based on 42786 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.