Shimano Deore RD-M591 Top Normal Rear Derailleur - Black, Large

Wide link top normal Deore rear derailleur. Wide link design increases rigidity and service life. Top normal return spring lends to incredibly intuitive operation when combined with Rapidfire shifters . Alloy and steel construction leads to lower weight without compromising strength and durability. Large 11 tooth pulleys are used for longer life. Two fluorine-coated link bushings for low-frict...