Powerful and quiet E-support The efficient and quiet Bosch Performance Line drive system supports you with 75 Nm up to 25 km/h. With its balanced geometry, the AVENTURA² FS 6.7 rides safely and comfortably. The Bosch E-motor is nicely integrated in the bottom bracket area. The Bosch Powertube battery is perfectly integrated into the down tube and can be easily removed from the top. The Purion 200 is a user-friendly control unit with all key figures in one place. Additionally, the system is prepared for the Bosch Smart System ConnectModule.