Vvolt Proxima is a belt driven, Class 1, mid-drive e-bike with an integrated battery in the down tube, and a sealed CVT in the rear hub. Other than the fatter down tube, the bike looks very much like a traditional bike.
Drivetrain and brakes
Ebike Motor
250w (500w peak) mid-drive with 80Nm of torque Don't know (MPF)
Brake
Hydraulic Disc Brakes (Radius)
Ebike Battery
36V battery integrated with the down tube with a lock and key to open. Its dimensions are 420mm x 68mm x 76.4mm and weighs 2.5 kg 36V Integrated Battery Ebike_SE085-M26-37 (CelExpert)
Additional parts
Bell/Noisemaker
Stouchi Bike Bell (Stouchi)
Computer
A small (60mm x 43mm x 51mm) e-bike computer EH-02 (acer | Xplova)