Best Seat Posts Deals Online in the UK (10 Deals Found)

Last Updated - 09/05/2026 Sort By:

Best Choice
TIKBRO

New
TIKBRO Bike Seat Post 27.2mm 30.9mm 31.6mm Aluminum Alloy 350mm 400mm Length Bicycle Seatpost for Road Bike and Mountain
Material: Our bike seatpost is made of lightweight aluminum alloy, and the internal design is sturdy and durable, improv

£13.98 £16.99
Best Value
PLATT

New
PLATT Bike Seatpost 25.4/27.2/28.6/30.8/31.6*350mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX (Black 25.4)
PAY ATTENTION:Please measure and confirm the exact post diameter required for your bike.

£9.99
NEUSID

New
Bike Seat Post, 27.2 mm Bicycle Seatpost Carbon Steel Seat Tube Saddle Pole Length 300 mm for BMX Fixed Gear MTB Road Mo
HIGH STRENGTH MATERIAL: The bike seat post is made of carbon steel, which is strong and durable. With black coating, nic

£6.99
ENGWE MTB

New
Bike Seatpost 27.2/30.9/31.6mm Bicycle Seat Post, 350mm/400mm Length Aluminum Alloy Bicycle Seat Tube, Suspension Seats
PAY ATTENTION: Please measure the diameter of the original seat post before purchasing and choose the same size of the o

£13.99
PLATTBK

New
PLATTBK Bike Seat Post 25.4/27.2/28.6/30.9/31.6 350mm Aluminum Alloy Road Bike MTB Seatpost(27.2MM)
【PAY ATTENTION】Please measure and confirm the exact post diameter required for your bike.

£15.99
ENGWE MTB

New
Bike Seatpost 27.2/30.9/31.6mm Bicycle Seat Post, 350mm/400mm Length Aluminum Alloy Bicycle Seat Tube, Suspension Seats
PAY ATTENTION: Please measure the diameter of the original seat post before purchasing and choose the same size of the o

£13.99
ENGWE MTB

New
Bike Seatpost 27.2/30.9/31.6mm Bicycle Seat Post, 350mm/400mm Length Aluminum Alloy Bicycle Seat Tube, Suspension Seats
PAY ATTENTION: Please measure the diameter of the original seat post before purchasing and choose the same size of the o

£13.99
PLATT

New
PLATT Bike Seatpost 25.4/27.2/28.6/30.8/31.6*350mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX (Black 27.2)
PAY ATTENTION:Please measure and confirm the exact post diameter required for your bike.

£9.99
Helweet

New
Helweet Aluminium Alloy Bike Seat Post, 27.2MM, 30CM, Black, Suitable for Mountain, Road, Track Bikes
【Adjustable Seatpost Height】Our bike seat post is designed with clear height markings so that you can easily adjust the

£9.99
Azarxis

New
Azarxis Bike Seat Post Seatpost 25.4 27.2 28.6 30.4 30.8 31.6 x 350mm Aluminum Alloy MTB BMX Seat Post Tube Bicycle Sadd
🌵 MATERIAL - The seatpost is made of 6061 aluminum alloy, high strength, strong and durable, good corrosion resistance

£12.99

10 Seat Posts deals are available from: Amazon stores, starting from £6.99.
The biggest discount we found is 18% on TIKBRO Bike Seat Post 27.2mm 30.9mm 31.6mm Aluminum Alloy 350mm 400mm Length Bicycle Seatpost for Road Bike and Mountain Bike BMX at Amazon.
The lowest price we found is £6.99 while the highest is £15.99.
Prices for the best Seat Posts deals average at £12.19.
Last updated on May 9, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Seat Posts.