Rear derailleurs
microSHIFT Estes 1x Rear Derailleur 7/8/9 Speed Medium Cage
RD-M220M
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Aug 1, 2026
- Compatibility review
- Reviewed Aug 1, 2026
Approved technical sources
- microSHIFT RD-M220M official labeled model factsManufacturerSource checked Aug 1, 2026Evidence reviewed Aug 1, 2026
- microSHIFT estes-rd-manual mount evidenceManufacturerSource checked Aug 1, 2026Evidence reviewed Aug 1, 2026
Technical data
Specifications
- Speeds
- 7-speed
- Supported speeds
- 7-speed, 8-speed, 9-speed
- Maximum cassette cog
- 45T
- Supported front chainrings
- 1
- Drivetrain family
- microSHIFT utility / Shimano Mountain mechanical 7/8/9-speed
- Compatible drivetrain families
- microSHIFT utility / Shimano Mountain mechanical 7/8/9-speed
- Frame mounting
- Conventional hanger
- Total capacity
- 33T