Professional shifting performance is assured, with XTR precision engineered rear derailleur for the ultimate in shifting performance and durability - as used by elite off-road racers the world over!

• M971 XTR rear derailleur - top normal.
• Top normal spring uses the spring to select higher gears, best suited to use with Rapidfire shifters.
• High tolerance cold forged aluminium construction for extremely light weight, strength and durability.
• High rigidity wide outer link braces the pulley body to increase pivot joint rigidity.
• Four fluorine-coated link pivot bushes enhance low-friction shifting.
• Sealed bearing guide and tension pulleys for low friction and smooth running of the drivetrain.
• Mega9 speed drivetrain compatible.
• Detachable rubber bumper for inner chain cage guide to reduce noise and frame damage.
• Sizes: Mid, Long.
• Weight: 198g. (for GS cage length).