The XTR M9100 derailleur is built for quiet, smooth performance with reduced tension in low gear and a pulley cage bumper to cut noise. Oversized 13T pulleys improve efficiency and chain control, while compatibility with Shimano’s 12-speed cassettes gives you a wider gear range for any trail.

Features

• Optimized for new drive system
• Silent drivetrain
• Added bumper at rear derailleur pulley cage
• Bigger 13T pulley
• Low profile design
• SHIMANO SHADOW RD+
• Low sprocket combination
• Bumper on pully cage

Specifications

• Rear speeds: 12
• Compatible chain: HG 12-speed
• RD construction: SHIMANO SHADOW RD+
• Mount: Direct attachment (conventional)
• Max. front difference: 0T
• Total capacity: 41T
• Low sprocket:
• Max: 51T
• Min: 51T
• Top sprocket:
• Max: 10T
• Min: 10T
• Fluoric coated link bushings: 8
• Pulley:
• Guide pulley bearing: Sealed Bearing
• Tension pulley bearing: Sealed bearing
• Teeth: 13T
• Sunken type pulley screw
• B-axle: Hollow axle
• Average weight: 240g
• Item#: IRDM9100SGS
• Model#: RD-M9100-SGS