CVT Kit 139QMB (GY6 50)

 The NCY CVT 139QMB Transmission Kit, also known as the Super CVT Transmission Kit for GY6 50cc engines, is one of the best and most affordable tools to upgrade your 139QMB, Buddy50, or RoughHouse scooter! Faster acceleration, faster top speed, and make your 139QMB CVT the smoothest transmission in town! From quick downshifts to slow cruising, this thing is smooth. Ultra-lightweight, balanced components, oversized wear pads, and advanced polytetrafluoroethylene (PTFE) liners ensure superior performance and long life.