Shimano XT RD-M8000-SGS Rear Derailleur - 11 Speed, Long Cage, Black Size:O/S Passive ventilation helps you keep

Passive ventilation helps you keep a cool head

Biodegradable

Swix Universal Glide Wax

Capped end for safety and comfort

Great multi condition tires that corner nicely and brake on a dime

Shimano XT RD-M8000-SGS Rear Derailleur - 11 Speed, Long Cage, Black Size:O/S Passive ventilation helps you keepShimano XT RD M8000 SGS Rear Derailleur 11 Speed, Long Cage, Black Shimano XT RD M8000 Rear Derailleurs 46 tooth maximum rear cog for 1x11, 42 tooth maximum for 2x11 Low profile derailleur cage reduces collection of debris and potential for damage Shadow clutch reduces chain slap and dropped chains, on off switch allows for simple wheel changes Externally adjustable clutch for easier spring tension adjustment Optimized slant angle lowers shift effort