Bontrager Seatpost Component Round Rail Clamps 7x7mm Black Make sure your new Bontrager saddle fits your old Bontrager seatpost correctly. Bontrager seatpost head parts are specifically designed to provide a secure interface between Bontrager seatposts and saddles.
For use with all Bontrager rotary heads, single-bolt seat tubes (Race, Race Lite, Race X Lite and Race XXX Lite as well as Madone and Domane seat posts)
DETAILS:
- Dimensions: 7x7 mm
- Black colour