2GT 30 Teeth Idler Belt Width 6/10mm Bore 3/4/5/6/7/8/9mm 30T Tensioning Timing Pulley 3D Printer Accessories

2GT 30 Teeth Idler Belt Width 6/10mm Bore 3/4/5/6/7/8/9mm 30T Tensioning Timing Pulley 3D Printer Accessories

Aliexpress UK