The Optibelt 125X1725 V-belt, commonly identified by its SPA 1707 profile, is a high-performance classical V-belt designed for demanding industrial and agricultural machinery. This belt features a nominal top width of 12.7 mm and an effective length (Lw) of 1707 mm, ensuring reliable power transmission. Its outside length (La) is approximately 1725 mm. Constructed from durable rubber and polyester, it provides excellent resistance to oil, heat, and static electricity, ensuring long-lasting durability and consistent performance. The SPA profile is optimized for efficient operation in various drive systems.