Shimano - RD-M591 Deore top normal rear derailleur, silver



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-friction operation
8- and 9-speed compatible
Compatiblewith 28-34T low sprocket
Average weight 299 grams