40T 20Teeth Belt Width 6mm 2GT Timing Belt Pulley Set Tensioning Wheel Bore 3~12mm Reduction 2:1 GT2 Synchronous Pulley Belt Kit

40T 20Teeth Belt Width 6mm 2GT Timing Belt Pulley Set Tensioning Wheel Bore 3~12mm Reduction 2:1 GT2 Synchronous Pulley Belt Kit

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