MTB + Road + Urban /
  • Aluminium collar that clamps your seatpost
  • Will be installed on top of the frame seat post clamp
  • Prevents the seat post from slipping
  • For carbon and aluminium seatposts

PostFix / Seatpost

Clamp your seatpost secure and stylish
To keep your seatpost safe and secure on the height you choose we designed the PostFix. The PostFix is a lightweight and secure seatpost clamp. It evens the forces on your seatpost so you are able to use aluminium and carbon seatposts. Available in two different sizes.


  • Colors Black
  • Sizes 27.2mm, 31.6mm
  • Weight (g) 5