Speedbox Yamaha 3.3 speed increasing device

Break free from speed limits with the SpeedBox 3.3 for Yamaha e-bikes! This advanced tuning chip removes the 25 km/h restriction, unlocking your bike´s true potential. Activate unlimited speed with a simple press of the LIGHT button or the ↑↓↑↓ combination. Unlike other devices, your display always shows your actual speed. You can even set a custom top speed for full control. Compatible with Yamaha PW-X3 and PW-S2 motors, its color-coded connectors make installation a breeze. Ride without limits