LIOOBO 4 Pcs Bike Accessory for Seatpost Road Bike Seatpost Clamp Quick Release Seatpost Clamp Aluminum Bike Seatpost Clamp

You can adjust the clamp even without any other tools., Designed for fixedgear and road bike. Suitable for 27.2mm, 28.6mm sitting tube., Note: Please double measure your outer post diameter to get the right size., Ergonomic design,Extended lever, more efficient and comfortable., Quick release lock design makes it great tool for you when cycling.