Speedbox Shimano 1.2 E8000/E7000/E6100/E5000 speed increasing device

Unleash the true potential of your Shimano e-bike! The SpeedBox 1.2 is a completely redesigned tuning chip that deactivates the speed limiter on E8000, E7000, E6100, and E5000 motors. Enjoy unlimited speed, easily controlled with your bike´s LIGHT button. Featuring all-new hardware and firmware, installation is simple using original connectors.