With our fashionable SpeedBox T-shirt, you will no longer be an ordinary cyclist. You will be able to enjoy the maximum performance of your e-bike in a perfectly comfortable, original and fully functional T-shirt.
SpeedBox Compatible drives
SpeedBox 1.0 for Impulse 2.0 All Impulse 2.0 motors
SpeedBox 1.0 for Impulse EVO All Impulse EVO motors