? 36V / 250W Rear-Hub Motor ? 10.4Ah Integrated Flush-Mount Battery with Lock ? Pedal Assist with 3 Power Modes ? 6km/h Assisted Walking Mode ? 20in x 4in Knobby Fat Tires ? Front and Rear Disc Brakes ? Shimano 7-Speed Twist Shifter ? Shimano Rear Derailleur ? Under Seat Storage Compartment ? Oversized Plush Seat