Suspension Seatposts Shim 27.2 to 30.2 Seat Post Shim B

Cane Creek Seat Post Sizing Shim ID-27.2/OD-30.2

These precision made sizing shims are designed to allow a 27.2 seat post to precisely fit a  bicycle frame with a 30.2 seat-tube!
Compatible With Standard and Suspension Seat Posts
(Your Existing Seat Post Should Have The Size of Your Seat Tube Engraved In It!)
Features: - 7005 T6 aluminum, black anodized, laser etched with sizing info
- 3-7/8 inches long