Shimano E8000, E7000, E6100, E5000

SpeedBox 1.2 for Shimano E8000, E7000, E6100, E5000 are the successors to the original tuning chips, redesigned from the ground up. These chips completely remove the 25 km/h speed limit and display the actual speed up to 23 km/h on the screen.

Looking for something even cooler? Check out the SpeedBox 1.2 B. Tuning for Shimano E8000, E7000, E6100, E5000 models with Bluetooth. These tuning chips allow you to adjust the speed limit and display the actual speed via the SpeedBox App.