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:
Tuning Chip E-Bike POLINI Hi-Speed for display: Shimano steps Assembly: invisible at the drive motor displayed: halved values activation: magnet controls: light switch electric assistance - 50 km/h Max. Speed: unlimited Race
Amazon.com : Speedbox 1.3 B.Tuning Chip for Shimano EP8/EP800 eBikes (+ETP Bluetooth Version) - Custom Max Speed - Smart Tuning chip, Speed Unlock for Shimano eBike – eBike Speed Remover : Sports & Outdoors