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Seat Post Shim 27.2mm to 31.8mm [BiKASE]
The BiKASE Seat Post Shim allows you to adapt a 27.2mm seat post to fit a 31.8mm seat tube, providing versatility for your bike setup.
This shim is perfect for cyclists who need to adjust their seat post size for better comfort or compatibility with their bike frame.
Weight: 0.1 lbs