The XTR M9100 series of derailleurs brings a new level of drivetrain 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. Enhance shifting performance: Optimized for new drive system Silent drivetrain: Decreased rear derailleur tension at low gear position, to prevent high chain tension at low gear. Add bumper at rear derailleur pulley cage for silent drive. Bigger 13T pulley
- Average weight: 237
- Compatible chain: HG 12-speed
- Fluoric coated link bushings: 8
- Low sprocket_Max.: 45T
- Low sprocket_Min.: 45T
- Max. front difference: 0T
- Pulley_G pulley bearing: Sealed Bearing
- Pulley_Teeth: 13T
- Top sprocket_Max.: 10T
- Top sprocket_Min.: 10T
- Total capacity: 35T
