1.lithium battery absolutely environmental protection 2.aluminum alloy lighter 3.light and handy 4.High configuration safe Model ... No.:TDE12001ZOperative Mode:Pedal assitantCerfiticate: Colour: Frame Material:AL6061,26"*460mm,LongyeahMotor:Mid-drive,36V/240WFront fork:SF12-XCT-V4 ... disc brakes,AURIGA COMP,TEKTROCharging Time:3-8 hrsTyres:26"*1.95",black/red,KendaShifter:ARDM410RA/Right indexer 8S, ...