2GT 30 Teeth Timing Belt Pulley Bore 4/5/6/6.35/7/8/10/12/12.7mm Synchronous Wheel For Belt Width 6/10/30mm 3D Printer Parts G2MHome Improvement > Hardware3,60 USD (≈ 3,22 €)6,54 USDDisponibileSold by AliExpress WWVai al negozio