Razor MX350 / MX400 Variable Speed Kit controller and throttle, electrical kit
Razor MX350 / MX400 Variable Speed Kit. E300 Variable Speed Kit by Wild Scooter Parts – YouTube. Video will open in a new window. From Wild Scooter Parts, this is the worlds first variable speed kit for Razor electric scooters. Our new and improved version is professionally made in an ISO factory and designed to