BONTRAGER 座通路軌碼-銀色 - 7X10MM / BONTRAGER SINGLE-BOLT ROTARY HEAD EARS 7X10MM RAIL

Replacement saddle ears for use with Bontrager saddles with carbon rails
Compatible with Bontrager and Trek rotary head seatpost and seat mast systems
Consult with manufacturer on compatibility with other saddle brands
Does not include hardware