The name says it all, the RamboA(R) Dominator Ultra. You wanted a full suspension bike built around the serious outdoorsman to handle extreme terrain without killing your back, and Rambo delivered. This E-Bike is engineered and highly tested to provide you with the ultimate Rambo riding experience. The Dominator Ultra gives riders amazing power with rider pedal feedback, at speeds up to 32 mph. Every aspect of the Dominator Ultra was designed and manufactured to produce an extremely reliable and durable E-Bike with no limitations. Bafang Ultra Drive 1000W torque sensing motor Up to 65-mile range Top speed up to 32 mph 48V 15Ah 720Wh with LG branded cells Extreme Duty Tektro HD-E740 4-piston 203/180 hydraulic brakes with electric safety cutoff and special noise reduction pad KMC Branded X9e chain, specially made for high-performance E-Bike power Extra wide Wellgo aluminum alloy pedals Mid drive Extreme strength double-wall aluminum alloySizing: Medium Frame has a minimum seat height of 34" Large Frame has a minimum seat height of 35.5"