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  • Shimano XTR M9100 Rear Derailleur

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Shimano XTR M9100 Rear Derailleur

Model 581217

Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

$273.99 Comp. Value Sale price

A low-profile rear derailleur designed to work with Shimano's supreme drivetrain family.

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Pricing details

Retailer price

Retailer pricing applies when you purchase goods online that the shop has in stock today. Order is subject to retailer acceptance.

Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

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Direct-to-home shipping

Raise the bar with XTR

The Shimano XTR M9100 Series brings nearly 30 years of development to the table leads in the next generation of their premiere groupset ready for XC, enduro, and marathon racing.

XTR M9100 rear derailleurs enhance shifting performance and are optimized for wide range cassettes.

Product details

  1. Decreased tension at low gear position
  2. Bigger 13-tooth pulleys
  3. Shadow RD+ low profile technology

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