Shimano Acera RD-M3020 Rear Derailleur - 7/8-Speed | Long Cage Mirrors and the mount installs directly

and the mount installs directly using the cockpit's existing threaded inserts without any modification

providing full spoke bed coverage without excessive overlap bulk

Alloy construction provides a secure

If you are running Black Inc wheels or any hub that accepts the XDR standard

The SRAM PC-1091R is SRAM's professional-grade 10-speed chain

Shimano Acera RD-M3020 Rear Derailleur - 7/8-Speed | Long Cage Mirrors and the mount installs directlyWhat Does the Shimano Acera RD M3020 Offer for Entry Level 7 8 Speed Builds? The Shimano Acera RD M3020 SGS is a 7 8 speed MTB rear derailleur built for trail, trekking, and city riding where reliable indexed shifting across a wide gear range is the priority. Double Servo technology allows the derailleur to track an optimum path across the cassette for smooth, consistent shifts with fewer interruptions on rough terrain. The long SGS cage accommodates