The Optibelt B72 Classic V-Belt is a high-quality power transmission component designed for durability and efficient performance. This genuine Optibelt V-belt features a B profile with a top width of 17mm and a height of 11mm. It has an inside length (Li) of 1829mm, an effective pitch length (Lp) of 1854mm, and an outside length (La) of 1879mm, making it suitable for various machinery requiring a robust classic V-belt.