Shimano XTR RD-M9100 Rear Derailleur

Details

• XTR rear derailleur sees improved shifting & quieter operation
• Decreased chain tension in the low gears to improve efficiency
• Larger 13t pulley wheels for better chain stability and shifting
• Shadow RD+ clutch minimizes chain slap and prevents chain drop
• Protective bumper in the cage quiets the sound of chain rub
• SGS model is designed for 12-speed 10 - 51t XTR cassette
• GS model is designed for 10 - 45t XTR cassette
• Gradients on back of cage for easier limit screw setup
• Item #SHI00L9