Speedbox Bosch 1.3 B-Tuning Smart System GEN4 speed increasing device

Unleash your Bosch Smart System Gen4 e-bike with the SpeedBox 1.3 B.Tuning! This innovative chip, paired with our mobile app via Bluetooth, removes the speed limiter, allowing for unlimited riding. Enjoy accurate speed display and ride data directly on your smartphone. Easily activate/deactivate tuning via the app or e-bike display. Customize your max speed and track performance. Simple plug-and-play installation. Ride smarter, not harder