Seatpost Head Parts

Make sure your new Bontrager saddle properly fits your old Bontrager seatpost. Genuine Bontrager seatpost head parts are specifically designed for a safe and sound interface between Bontrager posts and saddles.

Price

$9.99 - $11.99

Features

  • 272628 fits all single-bolt, rotary-head Bontrager posts (Race, Race Lite, Race X Lite and XXX as well as Madone seatmasts)
  • 406923 ears are used for oversize rails 7x9mm
  • 272628 includes everything needed to rebuild Bontrager seat posts. Rotary parts are not compatible with 2008, 2009 Madone seat caps
  • 421564 ears are for 7x10mm oversize carbon saddle rails
Part No. MSRP* Model Color Use With Weight
406923 11.99 Single-Bolt Rotary Head Ears 7x9mm Rail Silver All Bontrager rotary head seatposts 20g
421564 11.99 Single-Bolt Rotary Head Ears 7x10mm Rail Silver All Bontrager rotary head seatposts 20g
272628 9.99 Single-Bolt Rotary Head Parts Kit Black All Bontrager rotary head seatposts 54g

*Pricing is set by Bontrager retailers and does not include freight, import duties or taxes for retailers outside of the US.