The body rubber is a highly engineered synthetic rubber compound, specially compounded for cool running, crack resistance, and excellent bonding to the outside fabric and tensile cords. All DURA-PRIME CLASSICAL belts are manufactured using the latest in belt technology.
DURA-EXTREME CLASSICAL belts are recommended for any application with smaller diameter pulleys.. 118" Outside Length, 1/2" Top Width, 1 Ribs They are manufactured using high performance components.
157" Outside Length, 2 1/5" Top Width, 3 Ribs The backing attaches the individual belts together, and is made of heavy duty woven fabric encapsulated in rubber for superior flexibility. The body rubber is a highly engineered synthetic rubber compound, specially compounded for cool running, crack resistance, and excellent bonding to the outside fabric and tensile cords..Belt, B2, 2.