★ Please double measure your seat post outer diameter to get the correct size.
28.6mm seat clamp suit for outer diameter 27.8 – 28.8mm seat post. Typically used with 25.4mm bicycle seat post.
31.8mm seat clamp suit for outer diameter 30.2 – 32.1mm seat post. Typically used with 27.2mm & 28.6mm bicycle seat post.
34.9mm seat clamp suit for outer diameter 33.5 – 35.2mm seat post. Typically used with 30.4mm & 30.8mm & 30.9mm & 31.6mm bicycle seat post.

Specification:
Material: Aluminium Alloy
Size: 28.6 / 31.8 / 34.9 mm

Features:
Hollow design, durable and lightweight.
Quick release seat clamp, easy to install and remove.
Ergonomic design, extended lever, more efficient and comfortable.
Suitable for kinds of bike, such as mountain bike, folding bike, track bike, fixed gear, road bike etc.

Package:
1 x Seat Clamp