25.4/28.6/31.8/34.9mm Aluminum Alloy Seatposts Clamps MTB Tube Clamp Bicycle Accessories Quick Release Easy Install Bicycle Part

Material: aluminum alloy Classification: seat pipe clamp Size: 25.4/28.6/31.8/34.9mm. 28.6mm seat pipe clamp is suitable for 25.4mm seat pipe. 31.8mm setting pipe clamp is suitable for 27.2mm and 28.6mm setting pipe. The 34.9mm seat pipe clamp is suitable for the seat pipe with the range of 30.4-31.8 mm. The bicycle seat pipe clamp is a key component connecting the frame and the seat pipe, and its main function is to fix the riding posture and improve the riding stability.