This is a quick release clamp style, convenient and useful. clamp size: 31.8 mm / 34.9mm.
Larcele 4Pcs Bike Quick Release Seat Clamp, M6 x 55mm Aluminum Alloy Bicycle Seatpost Binder Bolt Quick Release ZXCKCG-01 (Red)
eMagTech 3pcs Bike Quick Release Seat Post Bolt M8x1.25mm Black Handle Seat Post Fork Bolt Compatible with Raleigh Compatible with Dawes 55mm
MTB Road Bike Quick Release Seat Post Clamp 28.6-34.9mm Universal Alloy UK
Bike Quick Release Seat Post Bolt Saddle Pin Qr Lever For Steel Frame Bicycles
Startbuymore Bike Quick Release Seat Post Clamp, M5 Aluminum Alloy Bicycle Clip Screw for Bike Scooter Easy Height Adjustment Lightweight Portable Black 5mm
