9.3 average score from 28 reviews


Model number: BSP-88
  • Screw-on seatpost clamp with rubber cover to prevent water and dust entering the seat tube
  • Versatile clamp for carbon and aluminum seatposts
  • Made from durable 6061 T6 aluminum
  • Rubber cover keeps water and dust out of the seattube
  • Available in sizes 31.8 (27.2) and 34.9 (30.9, 31.6)
More information

CollarClamp Seatpost Clamp

CollarClamp is the essential screw-on seatpost clamp designed for the ultimate protection of your seatpost. Crafted from durable 6061 T6 aluminium, it's versatile, fitting both carbon and aluminium seat posts. The rubber cover is your shield against water and dust, ensuring your seatpost stays clean and functional. Available in sizes 31.8 (27.2) and 34.9 (30.9, 31.6), the CollarClamp is your ticket to a worry-free, smooth ride.

CollarClamp CollarClamp
CollarClamp CollarClamp


  • Sizes 31.8mm (25g), 34.9mm (27g)


  • Clamp mechanism Single bolt