SRAM
The SRAM Apex Eagle Rear Derailleur - 12-speed | D1 combines road and mountain bike innovations for 1x12-speed drivetrains, featuring X-Horizon™ and Roller Bearing Clutch™ technologies for smooth shifting and improved stability.
Checked Jul 15, 2026 14:49
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Product details
The SRAM Apex Eagle Rear Derailleur - 12-speed | D1 brings together the best of SRAM's road and mountain bike technologies in one package. Specifically designed for 1x12-speed drivetrain systems, it is compatible with cassettes ranging from 10-50 teeth. The derailleur features X-Horizon™ technology, which limits movement along the horizontal axis to prevent 'ghost shifting' and reduce shifting effort. Additionally, it includes Roller Bearing Clutch™ for improved drivetrain stability and Cage Lock™ mechanism for easier maintenance. The X-Actuation™ technology ensures crisp and consistent shifting performance across the entire cassette range. This rear derailleur is designed for use with mechanical Apex and Eagle flatbar shifting levers and Eagle chains.
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