The Optibelt SPA1132 V-Belt, identified by its dimensions 12.5x1150 (nominal top width x outside length), is a high-quality narrow profile V-belt engineered for efficient and reliable power transmission. This genuine Optibelt belt features a top width of 12.7 mm, an effective length (Lw) of 1132 mm, an inside length (Li) of approximately 1110 mm, and an outside length (La) of approximately 1150 mm. Constructed from a durable rubber compound, it offers excellent resistance to wear, heat, and oil, ensuring long-lasting performance in demanding industrial and agricultural applications.