## Dayco Drive Belt 670x18mm - Reliability and Performance for Your Scooter Looking for a durable and efficient drive belt for your 139QMB/QMA (GY6 50) 4T scooter? The Dayco 670x18mm belt is the perfect choice, guaranteeing a smooth and trouble-free ride. ### Why choose a Dayco belt? Dayco is a renowned manufacturer of motorcycle and scooter parts, known for the high quality of its products. The Dayco 670x18mm drive belt is made of durable materials, resistant to wear and tear, ensuring long life and reliability. ### Perfect fit Thanks to its precise dimensions - 670mm length and 18mm width - the belt perfectly fits 139QMB/QMA (GY6 50) 4T scooters. This ensures optimal power transmission and minimizes energy loss. ### Key benefits: * **Durability and wear resistance:** The Dayco belt is designed to withstand demanding operating conditions. * **Precise dimensions:** Perfect fit for 139QMB/QMA (GY6 50) 4T scooters. * **Smooth and quiet operation:** Provides a comfortable ride without vibrations and noise. * **Long service life:** An investment that pays off thanks to the extended belt life. * **Dayco Brand:** Guarantee of quality and reliability. ### Specifications: * Length: 670mm * Width: 18mm