E-Bike tuning with the badassBox for pedelecs with Impulse motor Our newest and best e-bike tuning for all Impulse mid-mounted drives. New slim casing with patented snap-lock fastening for even faster mounting and release. Even more robust thanks to a special potting compound from the automotive industry. New electronics for even greater range with a single AAA battery. A quality product designed, engineered and manufactured by us in Germany. Scope of delivery badassBox 4 Impulse with AAA battery and thumb screw Please note that the original spoke magnet of your e-bike is suitable for this product, we therefore only enclose a thumb screw.