... (BLACK) JF102.1-2Pairs pulley,D50mm ABSBLACK) JF102.1-3 Pairs of strings Pulley,D40mm-D50mm ABS(BLACK) JF102.1-4 ... single Pulley, D50mm ABS(Color) JF102.2-2Pairs Pulley,D50mm ABS(Color) JF102.2-3Pairs of strings Pulley,D40mm-D50mm ABS(Color ... ) JF102.2-4three of strings Pulley,D50mm ABS(Color) JF102.2-5fours of strings Pulley,D30mm-D40mm ...