A tool designed to help you quickly identify bike part compatibility without all the noise.

Shimano Ultegra 11-Speed Rear Derailleur

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Substitutes

This section will list "like-for-like" substitutions you might consider if you're looking for a replacement part.

Brand	Gears	Max Cog Size	SKU	Part	Affliate Link

This section is intended to clarify the relevance of this part's various specs.

Gears (Rear Derailleurs): Number of gears in the rear cassette. So in a 2x10 drivetrain configuration, the 10 refers to the number of gears.

11 Speed: No specification description yet.

Max Cog Size: No property description yet.

34 T Max Cog Size: No specification description yet.