BONTRAGER 座通路軌碼套裝 - STANDARD / BONTRAGSR SINGLE-BOLT ROTARY HEAD PARTS KIT

Original equipment replacement parts for your Bontrager rotary head seatpost
The kit contains 7 mm round seatpost ears, inner cones, bolt and spring
Compatible with 2010+ Bontrager single-bolt rotary seatposts and seat mast caps