The Optibelt 125X1425 V-belt, identified by its SPA1407 designation, is a high-quality, narrow-profile V-belt engineered for reliable power transmission in a wide range of industrial and agricultural machinery. Featuring an SPA profile with an effective length (Ld) of 1407 mm, an inner length (Li) of 1380 mm, an outer length (La) of 1420 mm, a top width of 12.7 mm, and a height of 10 mm, this durable belt ensures optimal performance and extended service life. Its robust construction is designed to withstand demanding operational conditions, providing efficient power transfer.