Z Combo 4G Transmission with 80T & 100T
With a 4G Tranny Combo you get the best of both worlds when using a 49cc or 53cc Huasheng engine.
1A for SPEED and 1B for HILL CLIMBING.
(1) T-Belt 4G transmission and spanner wrench plus > 2 driven pulleys, (2) T-belts and one each of 9T & 10T chain sprockets.
For Flat land speed use the 80T pulley with included belt and a 10T chain sprocket
For Hills country use the 100T pulley with included belt and a 9T chain sprocket.