Ideal for bikes without a removable seat collars.
Pair with Quick Release System(M5) or Thru Axle/Solid Axle System(M8). Includes multiple adapter shims with total diameters from 27.2mm to 40mm.
Prevents removal of your seat post from the bike frame.
For bikes with removable seat collars, it's recommended to use the Pinhead Seat Post Collar Lock for best Anti-Theft Solutions.
