## Foot Starter Shaft 55mm for 8 Teeth Gear 139QMB/QMA (GY6 50) 4T This high-quality 55mm foot starter shaft is the perfect solution for your scooter with a 139QMB/QMA (GY6 50) 4T engine. Designed for durability and reliability, it guarantees trouble-free starting of your vehicle for a long time. ### Durable construction and precise manufacturing The shaft is made of robust materials, ensuring its resistance to wear and tear. Included is a bushing with a diameter of 46mm and a length of 21mm, which further strengthens the structure and ensures smooth operation of the starter mechanism. The shaft diameter is 14mm, and the milling diameter is 13mm, guaranteeing a precise fit and hassle-free installation. ### Compatibility and easy installation The starter shaft is designed for 139QMB/QMA (GY6 50) 4T engines and works with an 8-tooth intermediate gear. Its installation is simple and quick, allowing you to easily replace an old or damaged shaft. ### Reliability and long service life The reinforced shaft construction and the high-quality materials from which it is made ensure its long-lasting and trouble-free operation. This allows you to enjoy reliable starting of your scooter for many years.