Shimano XTR RD-M9100 Rear Derailleur 12 Speed (1x12)

$273.99 $246.59
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Large 13t wheels for better chain stability | Shadow RD+ clutch minimizes chain slap/drop
Delivery time: 5-7 Business Days
FROM THE MANUFACTURER

 

The M9100 Rear Derailleur sees improved chain stability and reduced friction thanks to larger 13t pulley wheels, making it better able to withstand full-force pedaling while shifting gears as smoothly as ever. Shimano was also able to decrease the rear derailleur tension in the lower gear positions, preventing the high chain tension that causes excess friction and noise, and thus a loss of efficiency. The Shadow RD+ clutch system provides excellent chain retention in rough terrain, and keeps annoying chain slap to a minimum. Lastly, the addition of a protective bumper to the inside of the derailleur cage quiets operation even further by cushioning the sound of any chain rub.

There are two options available depending on your desired setup. The longer cage SGS model is required for the 10 - 51 tooth XTR 12-speed cassette, but also works with the 10 - 45t Rhythm-Step 12-speed cassette. The GS model features a shorter cage with 28mm more ground clearance for rocky, rooty, and aggressive terrain. It's designed exclusively for the 12-speed 10 - 45t Rhythm-Step cassette.

 

FEATURES

 

  • 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

 

SPECIFICATIONS

 

  • Material: Aluminum
  • Capacity: 34T
  • Cassette Range: [SGS]: 10-51T, [GS]: 10-45T
  • Gearing: 1x12
  • Compatibility:
    -
    Chain: XTR CN-M9100
    -Cassette: XTR CS-M9100
    -Shifter: XTR SL-M9100-R, XTR SL-M9100-IR
  • Claimed Weight:
    -
    [SGS]: 8.5oz / 240g
    -[GS]: 8.4oz / 237g
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