Quick Release Bicycle Seatpost Clamp 34.9mm Red

6061Aluminum Alloy lightly and solidly made Strong retaining bolts ensure it to be sturdy and firm 31.8mm Seat Post Clamp fits on the out diameter 30.2mm~32.1mm bike seat post 34.9mm Seat Post Clamp fits on the out diameter 33.5mm~35.2mm bike seat post Ergonomic design,more efficient and comfortable