236-5479, OPTIBELT, OPTIBELT Timing Belt Pulley, Aluminium 50mm Belt Width x 10mm Pitch, 20 Tooth, Brand OPTIBELT, Number Of Teeth 20, Pitch 10mm, To Suit Belt Width 50mm OPTIBELT Timing Belt Pulley, Aluminium 50mm Belt Width x 10mm Pitch, 20 Tooth