Bicycle Seat Post Clamp 31.8/34.9mm Super Light CNC Aluminum Alloy MTB Road Bike Lock Seatpost Clamp Cycling Accessories

Use : Mountain Bikes Material : Aluminum/Alloy Size : 31.8/34.9mm Type1 : Bicycle Seatpost Clip Type2 : Bicycle Seatpost Clamp Type3 : Bicycle Parts A bicycle seat tube clamp is a device used to secure the bicycle seat tube, mainly to ensure that the seat tube will not move or be damaged during riding due to vibration or other reasons. The working principle of the seat tube clamp is relatively simple: when the seat tube is inserted into the seat tube clamp, the spring arm of the seat tube clamp will contract and generate elastic force, which will tightly fix the seat tube on the seat tube clamp, thereby ensuring the stable position of the seat tube. When the seat tube needs to be adjusted in position, simply apply a certain amount of force with your hand to extend or retract the spring arm, thereby achieving fine adjustment of the seat tube position