Emmo Proton GTS is one of the most luxury Electric Bike in Emmo family. POWERED by 72V 32Ah high Capacity GEL Lead Acid battery pack, the Proton GTS is capable of travelling up to 70 km on a single charge. It is also one of the most powerful e-bikes in Emmo Family- with continuous 500W waterproof controller + Emmo GTS Super Torque Motor. Front and Rear Hydraulic Brake Systems and adjustable brake levers make the stopping more reliable and flexible. Cruise Control, with built in Bluetooth MP-3 Player and FM Radio system also brings more fun to your rides! 72V/32Ah Lead Acid$ 2999 72V/30Ah Lithium: $ 3799 72V/50Ah Lithium: $ 4799