Razor MX350 MX400 Dirt Rocket Bike Acelerador y Controlador (Kit Eléctrico) V33+
(ForVersions V33+ only. Razor MX400 (V33+). Razor MX350 (V33+). “33” = V33 ). This kit fits the following Razor electric dirt bikes How to Identify Your Razor Bike Version. Important: This electrical kitwill NOT work on earlier versions.