Genuine Optibelt kramp-bx171340 toothed V-belt, also known as BX51. This high-quality V-belt features a BX profile with a width of 17mm and a height of 11mm, designed for efficient power transmission in various agricultural and industrial applications. It has an internal length (Li) of 1340mm, an effective length (Ld) of 1370mm, and an external length (La) of 1390mm, ensuring a precise fit. Weighing approximately 0.28 kg, this durable belt provides reliable and long-lasting performance.