electric bike conversion kits 1. Charger 24V/36V 2, wheel size 20",26",28", or any other size according to your request 3. Controller 24V/36V 4. Battery (24V/36V,10AH/12AH) 5. Tyres for Electric bicycle, Electric bike, Electric Motorcycle 6. Some parts: motor wheel, handle bar, brake bar, brake cables, swtich bar, battery steel case,controller,charger etc 7. Motor: 180W, 250W, 350W, 500W, 800W,etc we can supply.