This Derailleur Hanger 447 is designed for precise fit and durability, compatible with a range of bike models including BH Expert (2017), Haro Astoria (2017-2018), Beasley (2018-2021), and Schwinn Santis (2019). It ensures smooth gear shifting and reliable performance. For full compatibility details, visit www.wheelsmfg.com. Ideal for maintaining your bikes drivetrain integrity and enhancing riding experience.