New Bicycle Seatpost Clamp 31.8/34.9mm Aluminum Ultralight Quick Release Road Bike MTB Mountain Bike Seat Post Seat Post Clamp

Material: aluminum alloy

Specification: inner diameter 31.8mm/34.9mm

Color: red, black, titanium

Weight: about 40g/piece

Applicable objects:

31.8mm frame for 27.2/28.6 seat tube,

34.9mm frame for 30.4/30.8/31.6 seat tube