RD-M591 Deore top normal rear derailleur

• 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

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