This kit includes the 115mm fan, 107mm Drive Face, 15mm I/D front ramp plate, (3) glide slider keys, full set of 13g rollers and the 24mm O/D, 15mm I/D boss sliding bushing/dowel This set fits on many brands and models such as Baja, JMstar, Jonway, Lance, Longbo, NST, Peace, Roketa, Sunl, Tank, TNG, Vento, VIP and many others This is a complete Variator Front Clutch Kit for GY6 125/150 152QMI 152QMJ 157QMI 157QMJ scooter Please check your correct replacement parts before purchase This is a brand new 150cc Gy6 Scooter Variator Assembly. Number of Splines: 19 Roller Weight: 6 pieces, 18mm x14mm, 13g Inner Diameter (drive face): 15mm Outer Diameter (drive face): 115mm Please check your correct replacement parts before purchase, the picture show more detail