HTD 3M 30 Teeth Idler Tensioner Pulley Bore 4/5/6/7/8/10/12/15mm Fit Belt Width 6/10/15mm Bearing Guide Synchronous Wheel 3M 30THome Improvement > Hardware7,70 USD (≈ 6,89 €)7,78 USDDisponibileSold by AliExpress WWVai al negozio