Function: It is used to fix the bicycle seat tube, adjust the height of the bicycle seat, and ensure a more comfortable riding posture.
Quality material: Made of reliable 7075-T6 aluminum alloy, lightweight, super durable and stable.
Specification: 31.8mm in diameter,suitable for bicycle seat tube with outer diameter of 27.2mm/28.6mm;34.9 mm in diameter, suitable for bicycle seat tube with outer diameter of 30.4/30.8/30.9/31.6mm/31.8 mm.
Easy to use: Quick locking and release of the seat clamp, to adjust the tightness of the quick release clamp, you can adjust the connection rod by tightening or tightening.
Package includes:1PC Bike seatpost clamp.Color: Blue, black, red, green,orange,purple.