This variator and transmission set is one of the best dollar-for-dollar bolt-ons to improve your scooter’s performance Though designed especially for the Buddy 125 or 150 it may fit many other scooters with the common GY6 engine Description This variator and transmission set is one of the best dollar-for-dollar bolt-ons to improve your scooter’s performance. Though designed especially for the Buddy 125 or 150 it may fit many other scooters with the common GY6 engine. Made by NCY. Features: Ultralight balanced components Oversized wear pads State of the art Teflon coatings Ultralight gold Teflon coated overdrive variator Ultralight outer drive face Ultralight large shoe racing clutch Ultralight drilled and vented clutch bell Dual range secondary slider Roller weights Compression spring Ball bearing compression spring seat Benefits: Quicker acceleration Higher top speeds Smooth operation WARNING California Residents : Proposition 65 Warning