The Derailleur Hanger 45 from Wheels Manufacturing is a precisely engineered replacement part, designed to restore or enhance your bike's shifting performance. Produced in their Colorado facility, this hanger is often stiffer and more durable than many original equipment hangers, providing a reliable foundation for your drivetrain.This specific hanger is a direct fit for numerous bicycle models, replacing common OEM parts and ensuring a precise alignment for your rear derailleur.## Features* CNC machined from 6061 aluminum for superior strength and precision* Black anodized finish provides enhanced durability and corrosion resistance* Stiffer design compared to OEM hangers, which improves shifting accuracy and overall drivetrain performance## Specs* Material: 6061 Aluminum* Attachment: Attaches to frame with (1) M8 Chainring Bolt* Compatibility: Replaces Marin Hanger 28, Scott Part # 228837, and compatible with various Cervelo, Diamondback, Iron Horse, and other models