## Complete Cylinder with Head 39.00mm 50cc 13mm Piston Pin 139FMB 50 4T AC - Romet This complete cylinder with head is the perfect solution for your Romet 139FMB 50 4T AC scooter. The set offers precision manufacturing and reliability, characteristic of the Romet brand. With a capacity of 50cc, it provides optimal performance, and the 39.00mm cylinder diameter guarantees smooth and efficient engine operation. ### Precision and Performance The cylinder is designed to maximize engine performance. The 13mm piston pin diameter ensures a perfect fit and minimizes energy loss. Solid construction and high-quality materials guarantee long life and trouble-free operation. ### Perfect fit for Romet 139FMB 50 4T AC This cylinder is specifically designed for the Romet 139FMB 50 4T AC model, guaranteeing easy installation and full compatibility. It is an ideal choice for both repair and engine tuning. ### Key benefits: * **50cc capacity:** Optimal performance for your scooter. * **39.00mm cylinder diameter:** Smooth and efficient engine operation. * **13mm piston pin diameter:** Precise fit and minimized energy loss. * **Romet brand:** Guarantee of quality and reliability. * **Easy installation:** Hassle-free installation in the Romet 139FMB 50 4T AC model.