## Bare Piston 39.00/13/17.2 50cc, 139QMB/QMA (GY6 50) 4T - Abiwa This high-quality bare piston from the renowned brand Abiwa is the perfect choice for your scooter with a 139QMB/QMA (GY6 50) 4T engine with a capacity of 50cm³. It provides the reliability and performance you expect from top-class spare parts. ### Technical Specifications: - Piston diameter: 39.00mm - Piston pin diameter: 13mm - Distance from piston pin axis to piston edge: 17.2mm - Cylinder capacity: 50cm³ - Compatibility: 139QMB/QMA (GY6 50) 4T ### Advantages of the Abiwa Piston: By choosing an Abiwa piston, you are investing in durability and optimal engine performance. Precise manufacturing and high-quality materials guarantee a long service life and minimize the risk of failure. This piston perfectly fits popular scooters with the GY6 50 engine, ensuring smooth and efficient operation. Abiwa is a brand known for producing solid and reliable motorcycle parts, which translates into trouble-free riding and user satisfaction.