Waynoda 31.8mm Black Bike Seat Clamp Aluminium Alloy Quick Release seatclamp MTB Bike Road Bike Casual Bike Seatpost Clamp ( 2 Pieces )
- Standard Size: 31.8mm clamp suits for Frame Seat Tube 27.2 mm- 28.6 mm.
- Material: Aluminum alloy, lightweight,Only about 35g per piece, durable and sturdiness, anodized in Black, colorfast surface, great anti-corrosion.
- Easy to Install: Ergonomic design,without external key tool, more efficient. Quick release bike seat clamp,make adjusting seatpost height a breeze, super easy to lock and release, and has cutouts for weight savings.
- Great replacement for bolt and nut clamp style, the seat is secure while also not needing a lot of force to fasten/unfasten the seat clamp.
- Please Measure Your Seatpost Ture Size: The "31.8" refer to the diameter of the SEAT POST TUBE! Your choice of seat clamp size depends on the frame tube size where the seatpost enters the frame (seat tube).