Razor Single Speed 4-Wire Twist Grip Throttle for the Razor E100/E125 (Versions 10+), E200 (V24+), E300 (V20+), Pocket Mod (13+) This brand new 50" throttle has a 4-wire connector that will match your existing hardware with no modification. Installation on compatible Razor scooters is a simple "plug and play" procedure.