Last chance to save up to 50%.
Shop Sale!
Sports
Sports
Women
Women
Men
Men
Kids
Kids
Accessories
Accessories
Nutrition and Body Care
Nutrition and Body Care
Maintain and Repair
Maintain and Repair
Sports Clothing
Sports Clothing
Deals
Deals
Brands
Brands
Sports
Cycling
Skiing
Snowboarding
Fitness & Gym
Football
Running
Hiking
Swimming
Winter Sports
Horse Riding
Country Sports
Camping
Mountain Biking
Road Cycling
Tennis
Roller Skating
Padel
Rugby
Golf
Yoga
Fishing
Kayaking
Stand Up Paddle
Trekking
Basketball
Scootering
Climbing
Trail Running
Mountaineering
Slacklines
Via Ferrata, Canyoning and Caving
Aqua Fitness
Water Polo
Surf
Sailing
Snorkelling
Scuba Diving
Spearfishing
Water Skiing and Wakeboarding
Kitesurfing and Windsurfing
Wing Foil
Kiting
Frisbee and Boomerangs
Cross-Training
HIIT Training
Bodybuilding
Boxing
Pilates
Gymnastics
Martial Arts
Kids PE & Gym
Dance
Gym Gear for Babies
Athletics
Triathlon
Orienteering
Nordic Walking
Power Walking
Cricket
Handball
Field Hockey
American Football
Baseball
Roller Hockey
Netball
Volleyball and Beach Volleyball
Badminton
Table Tennis
Squash
Frontenis
Beach Tennis
Basque Pelota
Ice Hockey
Ice & Figure Skating
Skateboarding and Longboarding
Archery
Darts
Snooker and Pool
Boules and Petanque
Skittles and Palet
Wallball
Carp Fishing
Predator fishing
Coarse & Match Fishing
Sea fishing
Teqball
Racketball
Race Walking
Floorball
Table Football
Bushcraft - Bivouac
Dodgeball
Pickleball
Disability Sports & Adaptive Clothing
Women
Clothing
Shoes
Activewear
Swimwear
Loungewear
Bikes
Athleisure
Plus Size Clothing
Bags and Accessories
Sales
New Winter Sports Collection
Wetsuits
Men
Clothing
Shoes
Bikes
Activewear
Swimwear
Bags and Accessories
Loungewear
Athleisure
Plus Size Clothing
Sales
Men's Rain Jackets
Wellies, Wellington boots, short wellies
Kids
Clothing
Shoes
Outdoor Activities
Bags and Accessories
Baby and Toddlers
Swimwear and Beachwear
Back To School
Sales
Football Gloves, Beanies and Snoods
Football Base Layers
Accessories
Sports Electronics
Bags
Footwear Accessories
Water Bottles, flasks and protein shakers
Sunglasses
Umbrellas
Navigational Equipment
Hats, Headwear and Gloves
Rain Poncho and Capes
Towel and Towel Ponchos
Backpacks
Activity Trackers
Nutrition and Body Care
Protein
Food and Snacks
Vitamins & Supplements
Hydration
Energy Supplements
Pre, Intra and Post-Workout
Protein Shakers & Water Bottles
Recovery and Injury
Skin and Body Care
Pre, Intra and Post-Workout
Vitamins & Supplements
Maintain and Repair
Fix it yourself
Repair with us
Maintain and Repair
Second Life Products
Sports Clothing
Thermals & Base Layers
Jackets
Waterproof Jackets
Gilets
Waterproof Trousers
Fleeces
Leggings
Socks
Shorts
Wetsuits
Deals
Up to 50% off
Mens Sale
Womens Sale
Kids Sale
Running Sale
Ski Sale
Fitness Sale
Cycling Sale
Hiking Sale
Swimming Sale
Camping Sale
Football Sale
Last Chance
Golf Sale
Sailing Sale
Water Sports Sale
Gym & Dance Sale
Horse Riding Sale
Fishing Sale
Snowboard Sale
Black Friday
Brands
QUECHUA
ROCKRIDER
DOMYOS
KIPRUN
KIPSTA
TRIBORD
ADIDAS
SALOMON
THULE
KIPRUN
GARMIN
PUMA
ASICS
CANTERBURY
CONTINENTAL
FORCLAZ
ITIWIT
KALENJI
NABAIJI
OLAIAN
REEBOK
ROXY
SIMOND
TAYLORMADE
TRIBAN
TARMAK
UMBRO
VAN RYSEL
WILSON
WEDZE
YONEX
Help & support
Find a store
Sports
Mountain Biking
Mountain Bike Parts
Seat Posts and Seat Clamps
Seat Posts and Seat Clamps
Mountain Bike Frames
Mountain Bike Frame Spares
Mountain Bike Saddles and Seat Covers
Mountain Bike Handlebars
Mountain Bike Stems
Handlebar Grips
Bike Headsets
Mountain Bike Forks
Mountain Bike Shocks
Electric Mountain Bike Spare Parts
Mountain Bike Pedals
See more
Filters
11 items
Most relevant
Nature
saddle spare parts
10
attachment hanging and fixing
1
sizes
One size
2
31.8 mm
1
brands
DECATHLON
9
BBB CYCLING
1
SRAM
1
price
Minimum
Maximum
Sellers
Decathlon
10
Sprocket and Gear Ltd
1
DECATHLON Suspension seat post with 27.2 mm diameter and 29.8 and 31.8 mm adaptor
4.1
395
Rate: 4.1 stars, 395 votes
£24.99
DECATHLON Seat Post 27.2mm - 29.8mm to 33mm - Black
4.6
273
Rate: 4.6 stars, 273 votes
£19.99
DECATHLON 31.8 mm Seat Clamp - Silver
4.7
173
Rate: 4.7 stars, 173 votes
£6.99
New lower price
DECATHLON 50 mm Quick Release Seat Post Clamp
4.4
27
Rate: 4.4 stars, 27 votes
£4.99
Was £7.49
Best value
DECATHLON 34.9 mm Seat Clamp
4.8
99
Rate: 4.8 stars, 99 votes
£5.49
New lower price
DECATHLON 28.6 mm Seat Clamp
4.7
58
Rate: 4.7 stars, 58 votes
£4.99
Was £7.49
DECATHLON 60 mm Quick Release Seat Post Clamp
4.6
33
Rate: 4.6 stars, 33 votes
£6.99
SRAM Shifter Fixing Clamp X7, X9, X0, XX, XO1, XX1, GX
£12.99
DECATHLON Seat Clamp
4.5
175
Rate: 4.5 stars, 175 votes
£6.99
Second life
DECATHLON Second Life - Seat Post With Suspension 27.2mm Diameter And 29.8mm - 33mm Adaptor - EXCELLENT
£22.00
BBB CYCLING BBB SmoothLever Quick Release Bicycle Seat Clamp BSP-87 31.8mm
Sold and shipped by Sprocket and Gear Ltd
£10.50