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By adjusting the top pulley, the Shimano XTR RD-M9000 Shadow+ 11-Speed Rear Derailleur can handle up to a 40t cog and a 10 tooth difference in the chainring. Combine that with a dirt bailing profile and an externally adjustable clutch, and the top of the line 11 speed Shadow+ will take your trail riding up a notch. Fight the bonk and push on.
Optimized Slant Angle – Lowers shift effort while improving shifting and driving stability.
Adjusted Top Pulley – Allows for a 40t cog while still allowing for up to a 10 tooth difference in chainrings.
Low Profile Cage – Reduces debris collection and potential for damage.
Shadow Clutch – Reduces chain slap and dropped chains.
On/Off Switch – Allows for simple wheel changes.
Externally Adjustable Clutch – Easier spring tension adjustment.
Efficient Pulley Teeth – For better shifting and smoother driving.
Carbon Plate for Lightweight
Chain Stabilizer w/ Easy Adjust
Shimano Mountain Rear Derailleur/Shifter Compatibility
Shimano Rear Direct Mount
Chain Wrap Capacity – 37t
Largest Cog – 40t