... money on OIL ,but powerful ,speed 1.Brushless DC motorrated voltage:48Vrated current:25Arated power :800WSpeed :500RPMRATED torque :40N.mEff:83%Max ... load :1000KG2.CONTROLLERRated voltage:60Vrated power :800Wrated current:65Acut off voltage:41.5±0.5Vvoltgae of ... the whole kits inculding Motor ,controller ,handgrip ,electric brake,power switch and forward and backward switch heavy ...