9 PK 990 optibelt RB Ribbed Belts (9 Ribs / V’s) To Suit_Pilote the letter W followed by

the letter W followed by a number e

4L 590 / 1499 La Garden Belt

The most salient features of the Optibelt ZR timing belts are the high quality neoprene compounds

4L 290 / 737 La Garden Belt

9 PK 990 optibelt RB Ribbed Belts (9 Ribs / V’s) To Suit_Pilote the letter W followed byThe ribbed belt combines the high flexibility of flat belts with the high performance of V belts. The V shaped parallel ribs are made from a wear resistant rubber compound. The high strength tension cord is designed for the many applications of the ribbed belt. It is embedded in a rubber adhesive mixture and covers the entire width of the ribbed belt. Fibre reinforced, wearresistant rubber compounds ensure quiet operation, oil and heat resistance and