Wolf Tooth Seatpost ClampWith its high-quality CNC machined construction and anodised finish, this tough and lightweight seatpost clamp gives that premium touch to finish of your bike. Available in a range of colours to match your frame or components colour scheme, it has Wolftooth’s self-aligning bolt and anchor, which ensures perfect alignment when tightening. This prevents binding and creates an even hold.Features: Material: CNC Machined 6061 Aluminium Clamp Height: 11mm Not compatible with Ibis brand bike framesPlease Note: The seatpost clamp should match the diameter of the seat tube on your frame and not the diameter of the seatpost itself. Buy Wolf Tooth Components from Chain Reaction Cycles, the World's Largest Online Bike Store.