Speedbox 1.3 B. for Shimano EP8 eBikes | EBIKE TUNER
Tuning Chip E-Bike SPEEDBOX 1.2 B.TUNING compatible with SPEEDBOX App for display: Shimano steps Assembly: invisible at the drive motor displayed: Actual values up to 23 km/h, then in app activation: light-button
eBike Tuning SpeedBox 1.0 for Shimano (E8000, E7000, E6100, E5000) Installation - no longer on sale - YouTube