DESCRIPTION
Model: RD-M591-SGS
Level: Deore
Color: Black
Speed: 9 Speed
Compatible chain: HG 9-speed
Max sprocket: 28-34T
Min sprocket: 11T
Cage: Long cage (SGS)
Weight: approx 290g
Wide link design increases rigidity and service life
Alloy and steel construction leads to lower weight without compromising strength and durability
Two fluorine-coated link bushings for low-friction operation