Shimano Tourney 7-Speed Mountain Bicycle Rear Derailleur - RD-A070 Go to amazon.com Related posts Top 13 recommendation 7speed chain for 2022 Thing need consider when find 7speed derailleur? FeatureSmartcage design with 113t pulleys allows for short cage and a 28t max low cogLargest Cog: 28Chain Wrap Capacity: 37Cage Length: ShortDrivetrain Speeds: 7 DescriptionShimano Tourney A070 7-Speed Rear Derailleur Direct-Attach