Description:

Compatible for: GY6 49cc 50cc 80cc 139QMB scooter, ATV, go kart engine. Fit for: Most of Chinese brand like Jmstar Taotao Roketa Sunl Kazuma JinLang Jonway Znen Redcat Eagle Xtreme Yiben SSR Vento etc..... 22 splines inside the clutch drum/bell. Specification: Outer Diameter of drum: 115mm / Inner Diameter of drum: 106.5mm / Pulley diameter: 118.5mm.