Amazon.com: SPEEDBOX 1.3 B.Tuning for Shimano (EP8)
SpeedBox 1.3 for Shimano (EP8) – Two Wheels Empire
SpeedBox 1.3 for Shimano (EP8) – Two Wheels Empire
Tuning Chip E-Bike SPEEDBOX 1.3 + E-Tube port for display: Shimano steps Assembly: invisible at the drive motor displayed: Actual values up to 23 km/h activation: light-button controls: light switch Max. Speed: