The RD-M8230 is Shimano's Deore XT LinkGlide 11-speed long-cage rear derailleur, built for e-bike use. It shifts smoothly under heavy load and pairs with the LinkGlide 11-50t cassette and M8230 shifter for a durable, dependable drivetrain. The low-profile wedge design resists trail impacts, and the wide link structure adds long-term durability. Features Shadow ES: A slimmer, stronger evolution of Shimano's pioneering chain-stabilizing Shadow concept, with a wide link structure for durability LinkGlide: Smooth shifting, especially under load, making it ideal for E-MTB use Wedge-Shaped Design: Made to move out of the way to absorb trail impacts Covered Pulleys/Cage: The solid pulley and shielded pulley teeth prevent trail debris from jamming up your flow Long Cage: Excellent range when paired with a LinkGlide 11-50t cassette Specs Model: Deore XT M8230 Model ID: RD-M8230-SGS Rear Speeds: 11-Speed Cage Length: Long (SGS) Min Tooth: 11t Max Tooth: 50t Drive Config: 1x Mount Interface: Derailleur Hanger Shift Technology: Mechanical (cable-actuated) Compatibility The Shimano Deore XT M8230 Rear Derailleur is backward compatible with previous generation Shimano 11-Speed LinkGlide components. The Deore XT M8230 Rear Derailleur is compatible with the following: Frame: Modern framesets via a derailleur hanger, including the Universal Derailleur Hanger (UDH) Cassette: 11-50t LinkGlide (Long Cage - SGS) Chain: 11-speed HG: CN-HG601, CN-HG701, CN-LG500