The Optibelt SPA1957 is a high-performance narrow V-belt designed for efficient and reliable power transmission in various industrial and agricultural machinery. This genuine Optibelt component features an effective length (Ld) of 1957mm, a top width of 12.7mm, and a height of 10mm, ensuring precise fit and durable operation. Manufactured by Optibelt, a trusted brand known for quality and longevity in power transmission solutions.