This CNC seat post clamp is solid and lightweight. Can be mounted to 27.2mm, 30.9mm or 31.6mm seat post.

Features:
Aluminum alloy clamp with a locking threaded nut.
Solid and durable, good finish and lightweight.
The clamp diameter in 31.8mm can be mounted to 27.2mm seat post.
The clamp diameter in 34.9mm can be mounted to 30.9mm or 31.6mm seat post.

Specifications:
Material: Aluminum alloy 6061 CNC
Color: Black / Blue / Red / Titanium / Gold (optional)
Diameter: 31.8mm / 34.9mm (optional)
Weight: 12g / 0.44oz(31.8mm), 15g / 0.56oz(34.9mm)
Package size: 10.2 * 8.3 * 3.2cm / 4 * 3.3 * 1.3in
Package weight: 27-29g / 0.95-1.04oz

Package List:
1 * Seat Post Clamp