Find original Specialized spare parts, accessories, and components for your bike atEscapa. TheSpecialized Seatpost Adapter 34.9mm - 30.9mm is a diameter reducer sleeve that allows you to use 30.9 mm seatposts on 34.9 mm frames.
34.9 mm outer diameter.
30.9 mm inner diameter.
102.5 mm in length.
Compatible with carbon and alloy frames.
