Shimano XTR Di2 REAR DERAILLEUR LONG CAGE 12s

Rear Derailleur

Specifications

Manufacturer
Shimano
Name
XTR Di2 REAR DERAILLEUR LONG CAGE 12s
Series
M9200
MPN
RD-M9250-SGS
Groupset
XTR
Rear Speeds
12
Drivetrain Brand
Shimano
Shifting Type
Electronic (Di2)
Electronic Shifting Family
Shimano Di2 Mtb 12 Wireless
Max Cog (T)
51[1]
Cage Length
Long
Compatible Chain Standards
Shimano HG (Hyperglide), Shimano HG+ (Hyperglide+, 12s)
Sources
  1. [1] bike.shimano.com, checked 29 Sep 2026: Max Cog (T)

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Compatibility

Shimano XTR Di2 REAR DERAILLEUR LONG CAGE 12s is a Shimano rear derailleur. It is a 12-speed component. It uses Electronic (Di2) shifting. Everything listed below was matched on a specification we hold for both parts: the interface each pairing actually depends on, such as freehub body, speed count, actuation or mounting standard. Where we could not verify that interface, the part is left out rather than assumed to fit.

XTR M9200 Di2 Groupset8

A groupset is designed and tested as one system, so these are the most reliable match. Other compatible parts are listed below.

Cassettes for this derailleur13

Frequently Asked Questions

What fits Shimano XTR Di2 REAR DERAILLEUR LONG CAGE 12s?

On this page we list cassettes for this derailleur, chains for this derailleur, shifters that drive this derailleur. Each listing was matched on a specification we hold for both parts; anything we could not verify is omitted rather than assumed to fit.

Can I use a higher or lower speed chain with Shimano XTR Di2 REAR DERAILLEUR LONG CAGE 12s?

No. Shimano XTR Di2 REAR DERAILLEUR LONG CAGE 12s is a 12-speed component and needs a 12-speed chain. Chains for different speed counts have different external widths and inner-plate profiles, which causes poor shifting or interference with the neighbouring sprockets.