Bicycle-seat tube clamp hollow lock-seatpost 31.8 34.9mm clamp ring

Feature: *Be applicable: ①The-seatpost diameter is 27.2/28.6mm choose 31.8mm-seat tube clamp ② A-Seatpost diameter is 30.4/30.8/30.9/31.6mm choose 34.9mm-seat tube clamp *Features: Made of aluminum alloy hollow and lightweight design *CNC turning fine workmanship; anodized bright color Specification : Product Name: Hollow Locking-Seat Tube Clamp Material: aluminum alloy + 304 stainless steel Color: black red blue gold colorful Specifications: Ф31.8mm Ф34.9mm Weight: about 19g/set (Ф31.8mm) about 19g/set (Ф34.9mm) Package Included: 1× Hollow Locking Seat Tube Clamp Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.