It is a multi rib belt drive which special construction allows it to be used with very small pulley diameter reducing noise and vibrations. It solves many drives problem in a number of applications such as machine tools, wood working machines, fitness machines, compressors, fans etc. SIT pulleys have been designed to guarantee optimal drive performances and life. Characteristics: * Suitable for transmitting power up to 500 kW * Wide range of section for every drive requirement: J, L H, K and M * Suitable for small size pulleys diameter (20 mm), achieving very high peripheral speed (up to 60 m/s) * The belt can counter flex and work on the backside * Possibility of supply elastic belts for assembly on fixed centre distance * Wide range of pulleys for taper bush available from stock