L-20T-BF Timing Pulley Keyway Bore 8mm - 30mm Pitch 9.525mm Synchronous Pulley Wheel For Width 13/20/25mm L Rubber Timing BeltHome Improvement > Hardware9,17 USD (≈ 8,21 €)10,79 USDDisponibileSold by AliExpress WWVai al negozio