The Shimano Tourney RD-A070 7-Speed Rear Derailleur is a high-quality component designed for bicycles with 7 speeds. Its short cage derailleur is suitable for various bike types including hybrid/comfort bikes, mountain bikes, and road bikes for touring. The black color and sleek design make it a stylish addition to any bike, while the bolt-on mounting type ensures easy installation. With the trusted Shimano brand behind it, this rear derailleur provides reliable and smooth gear changes for an improved riding experience.