Shimano's Steps Speed sensor unit for disc rotor position.
Features
- Designed to work with all brakes available for Shimano Steps E-Bike systems
- Compact, clean design for disc brake rotor magnet
- Updated with new electric wire SD300
- EW-SD300 3.45mm diameter E-Tube cable
- For chainstay mounting
- Plugs directly into DU-EP800 drive unit











