2GT Timing Belt Pulley Bore 3.17mm/4mm/5mm/6mm/6.35mm/8mm/10mm/12mm Synchronous Wheel 16T 20T 25T 30T 40T 3D Printer MotorHome Improvement > Hardware2,32 USD (≈ 2,08 €)2,70 USDDisponibileSold by AliExpress WWVai al negozio