B129 Bicycle Seatpost Clamp

Specifications Product name:UPANBIKE Bike Seatpost Clamp Quick Release Φ31.8mm 34.9mm B129 Material:Alumimum alloy 6061 Diameter 31.8mm:can fit 27.2mm, 28.6mm seatpost Diameter 34.9mm:can fit 30.4mm,30.8mm,31.6mm seatpost Color:balck;silver;red;blue;gold Weight:about 50g For Bike Type:BMX Bike;Cruiser;Road Bike;Mountain Bike;Universal Bike Package included: 1 X Bike Seatpost Clamp Features:Quick release; fast release & install How to choose a  suitable seatpost clamp: 1.Confirm your seatpost diameter 2.According the seatpost diameter choose the appropriate seatpost clamp