... bicycle 2, ISO9000:2000,CE, UL approval electric bicycleMODEL: TDE04ZMain Technical Parameters and Specification1, Battery description(V/Ah): 36V /8 ... Rear disc brake7, Driving Model: Full electricity or PAS8, Max. speed: 25 km9, Max. range: 35-40km (Full electricity)10, ... Deficient protection voltage: 30V18, Over current protection value: 14A19, Sensor: Speed sensor Electric mountain bicycle TDE04Z