SHIMANO XTR M9100 12 Speed Long Cage Rear Derailleur

New 2021 Shimano XTR RD M9100 SGS 12 speed Rear Derailleur Long Cage

The XTR M9100 series of derailleurs brings a new level of drive train silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.

Product Feature

• Low sprocket combination
• Enhance shifting performance
• Optimized for new drive system
• Silent drive train
• Low profile design
• 10-45T (12-speed)
• Decreased rear derailleur tension at low gear position, to prevent high chain tension at low gear
• Add bumper at rear derailleur pulley cage
• Bigger 13T pulley
• 10-51T (12-speed)