## Timing Chain Tensioner Roller 139FMB 50 4T AC Ensure smooth and trouble-free operation of your scooter's engine with this high-quality timing chain tensioner roller for the 139FMB 50 4T AC. This precisely manufactured component is crucial for the proper functioning of the timing system, guaranteeing optimal chain tension and minimizing the risk of breakage. The roller is characterized by its robust construction, which translates into long life and reliability. ### Technical Specifications: * Outer diameter: 45mm * Inner diameter: 6mm ### Why choose the 139FMB tensioner roller? Investing in a high-quality tensioner roller is an investment in safety and riding comfort. The precise fit and durable materials ensure stable engine operation, reducing noise and vibrations. This allows you to enjoy a smooth and dynamic ride without worrying about breakdowns. Choose the 139FMB tensioner roller and enjoy trouble-free operation of your scooter. This tensioner roller is the ideal solution for scooters with the 139FMB 50 4T AC engine, ensuring optimal performance and long service life.