Repair or refresh your Bontrager seatpost.

GENUINE REPLACEMENT PARTS
When it’s time to refresh your trusty bike, Trek genuine replacement parts have you covered.

PRODUCT DETAILS
– Replacement cartridge unit for Bontrager Line Dropper 31.6mm seatposts
– Regular maintenance will help maintain performance and e/tend lifespan
– Cartridge assembly includes bump stop and locknut
– Refer to Service Manual for assembly instructions and service