The Super B TB-1071 Shimano® eBike Lockring Tool is a purpose-built bike tool for removing and installing the chainring lockring on Shimano® STEPS E8000, E7000, E6100 and E5000 series eBike motors. Designed for eBike specialists and workshop mechanics, it makes light work of servicing SM-CRE61, SM-CRE70 and SM-CRE80 chainrings, and is used together with a bottom bracket tool for a complete drive unit service.
- Removes and installs the lockring on Shimano® STEPS E8000, E7000, E6100, E5000 chainrings
- Fits SM-CRE61, SM-CRE70 and SM-CRE80 chainring lockrings
- Use in combination with TB-BB10, TB-BB40, TB-1005 or TB-8919
- Professional-grade Super B build quality for eBike workshops

