Over-Clamp Butler GPS Computer Mount Option 1:EOX XCD rear derailleurs are compatible

XCD rear derailleurs are compatible with Shimano mountain shifters and wide range cassettes

Open-back design increases breathability

From riders looking to breathe new life into an old ride to customers wanting a new bike that they can set and forget

A 4mm FlatStop beadhook minimizes pinch flats

CZR i23 gravel wheels are designed to minimize weight while blending stiffness and compliance to maximize power transfer and increase comfort

Over-Clamp Butler GPS Computer Mount Option 1:EOX XCD rear derailleurs are compatibleThe Sigma Over Clamp Butler is designed for mounting your Sigma computer to your bike. Compatible with the following Sigma bike computers: BC 12. 0 WR, BC 12. 0 WL, BC 14. 0 WR, BC 14. 0 WL und BC 23. 16 STS