Click to expand Tap to zoom Expo A26510 Pully Set (4 pieces) by Expo Save £-3.95 £3.95 | / SKU A26510 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Outside diameters: 40/30/20 & 10mm. The 10mm pulley has a 2mm centre hole. The others a 3mm hole.
