Shimano RD-M591 Deore top normal rear derailleur, black

Shimano RD-M591 Deore top normal rear derailleur, black (also available in silver)

This Shimano wide link top normal Deore rear derailleur in black has the following features:

• The 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
• Compatible with 8-speed and 9-speed rear cassettes
• Compatible with 28-34T low sprocket (that's the largest one on the rear)
• Average weight 299 grams