Modify Mototec Mad 48V 2000W 45A Kunray Kit 34+mph Velocifero Electric Scooter Mini Bike DIY Build

Mototec (Velocifero) Mad 48v 1600w electric scooter upgrades list: 48v 25ah 50a bms Lithium Battery Gusty 150mm F&R adjustable coil suspensions Kunray kit: 48V 2000W motor (5200rpm) 45amp controller (soft start) full twist throttle 3 speeds switch ( this kit has lag in throttle response at slow speed ,and all lights and horn need to rewiring) Stock sprocket hill climbing setting (top speed 35mph): motor 11T, wheel 70T, tires 14.5 inches 11/27/2020 update : Finally replaced the soft start to hard start controller , highly recommend buy the hard start controller , no more slow speed lag problem.