Impulse is a German company which developed their first e-bike drive system, the Impulse Drive 1.0, in 2011. The first successor of the Drive 1.0, the Impulse 2.0 Drive is a completely improved version with 70Nm of torque and it is still seen today mounted on city and trekking bikes. One of the smart features is the shift-sensor technology which smooth the engine during shifting, even under load. The Impulse 2.0 Speed and the Impulse 2.0 Ego complete the Drive 2.0 range. In 2015, the Impulse EVO was released which is a more powerful version of the Drive 2.0 with a maximum torque of 80Nm. The Impulse EVO RS is a more sporty engine. Here few solutions for derestricting your Impulse engine. The SpeedFun is a very small tuning device that allows to exploit the full potential of these powerful engines allowing for speed up to 50 km/h. The badassBox is a contactless tuning box that simply slide over the speed sensor and it is installed / removed in just few clicks. It is compatible only if the magnet is located on the wheel spoke.