## RMS Blue Central Clutch Spring 139QMB/QMA (GY6 50) 4T This blue central clutch spring from the renowned brand RMS is the perfect choice for owners of scooters with a 139QMB/QMA (GY6 50) 4T engine. It provides optimal power transfer and smooth starts, resulting in comfortable and safe riding. The RMS central spring is characterized by high quality workmanship and durability, ensuring a long service life. ### Why choose the RMS central spring? * **RMS Brand:** RMS is a well-known and respected manufacturer of scooter and motorcycle parts, guaranteeing high quality products. * **Perfect Fit:** The spring is precisely designed for 139QMB/QMA (GY6 50) 4T engines, ensuring trouble-free installation and optimal performance. * **Smooth Starts:** The blue central spring ensures smooth and controlled starts, minimizing the risk of jerking. * **Durability and Longevity:** Made of high-quality materials, the spring is resistant to wear and tear and ensures long-lasting operation. * **Performance Improvement:** A properly selected central spring can improve the acceleration and dynamics of the scooter. Choose the RMS rear clutch central spring and enjoy a smooth and comfortable ride!