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

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