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

Last Updated - 10/09/2026 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
Best Value
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
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
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
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
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
GEWAGE

New
GEWAGE Bicycle Seat Post, Spring Seatpost Loaded for 27.2/30.9/31.6 x 400 mm,Seatpost Made of Aluminium Alloy for MTB Ro
【Shock Absorbing Design】: Built-in spring spiral and damper rubber absorb the vibration while riding, the seat post soot

£29.99
GEWAGE

New
GEWAGE Bicycle Seat Post, Spring Seatpost Loaded for 27.2/30.9/31.6 x 400 mm,Seatpost Made of Aluminium Alloy for MTB Ro
【Shock Absorbing Design】: Built-in spring spiral and damper rubber absorb the vibration while riding, the seat post soot

£29.99
PLATTBK

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

£14.98
Bynccea

New
Bynccea Bike Seatpost 27.2 30.9 31.6mm Aluminum Alloy Bicycle Seat Post 400mm for Road Bike MTB BMX
Material: Made of high quality aluminum alloy, light weight, durable and never rust

£14.99 £15.99

10 Seat Posts deals are available from: Amazon stores, starting from £6.99.
The biggest discount we found is 6% on Bynccea Bike Seatpost 27.2 30.9 31.6mm Aluminum Alloy Bicycle Seat Post 400mm for Road Bike MTB BMX at Amazon.
The lowest price we found is £6.99 while the highest is £29.99.
Prices for the best Seat Posts deals average at £16.19.
Last updated on September 10, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Seat Posts.