You are looking for a lightweight e-mountainbike with powerful off-road support and maximum agility on the trail. This is exactly what we have developed the Sonic EVO SX models for. Equipped with the new Bosch drivetrain and the highly developed Sonic carbon frame, the Light Assist E-MTBs combine sporty e-power with the handling of a high-quality mountain bike. The particularly compact motor delivers maximum torque with minimum pedalling resistance when required. Combined with the slim 400 Wh battery, which can be extended if required, the Sonic SX models deliver full sporty performance and energy for training and trail rides. Whether all-mountain or cross-country e-mountainbike - optimally tuned and equipped with top components, they ensure a riding experience at the highest level.