## Intermediate Crankcase Drive Sprocket 15/52 Teeth 139QMB/QMA (GY6 50) 4T This intermediate crankcase drive sprocket is an essential component for the smooth operation of your 4-stroke scooter with a 139QMB/QMA (GY6 50) engine. Made of durable steel, it guarantees long life and reliability even in demanding operating conditions. The 15/52 sprocket provides optimal gear ratio, which translates into a smooth and dynamic ride. ### Key Features: * **Solid construction:** The shaft is made of steel, ensuring resistance to wear and tear and mechanical damage. * **Precise manufacturing:** The sprocket teeth are precisely manufactured, guaranteeing quiet and smooth transmission operation. * **Compatibility:** The product is compatible with 139QMB/QMA (GY6 50) 4T engines, popular in many scooter models. * **Optimal gear ratio:** The 15/52 sprocket provides the ideal gear ratio for 50cc engines. ### User Benefits: * **Long service life:** Thanks to the use of high-quality steel, the shaft will last for a long time. * **Smooth ride:** Precise tooth design minimizes vibrations and ensures smooth transmission operation. * **Easy installation:** The product is easy to install and does not require specialized tools. * **Reliability:** The intermediate shaft guarantees reliable operation of your scooter's rear transmission.