Extreme danger Dophin-X long board Cruiser electric Skateboard Conversion Kit (without deck) LC5065 KV380 LC Outrunner Blushless Motor Motors for Aircraft Battery: 6S 5000 25C Synchronous whee step wheel: 3M 48 tooth &lt;br/&gt;bandwidth 10MM (free drilling synchronous wheel) Electric slide wheel of 70mm72mm drift wheel