Redshift Seatpost Shim 27.2 mm to 31.8 mm

- This shim will let you easily fit the 27.2 mm Dual-Position Seatpost or ShockStop Seatpost into your larger seat tube
- Just drop the shim in your frame's seat tube and insert the seatpost
- Once installed, the shim is essentially invisible
- Length: 100 mm