Features, 1, GY6 drive face. 2, low noise. 3, Enlarge the torch,speed up fastly 4, Long service life GY6 50 drive faceThis is for GY6-50 and other suitable models, it has the features of low noise, wearable brake shoes, long service life, enlarge the torch and speed up fastly. GY6 engine parts, GY6 clutch, GY6 drive face