Over-Clamp Butler GPS Computer Mount Option 1:EOX SpeedChip is the go to

SpeedChip is the go to when you need the absolute fastest option available

Inertia is the amount of force it takes to accelerate or decelerate

Contains two 1

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

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

Over-Clamp Butler GPS Computer Mount Option 1:EOX SpeedChip is the go toThe 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