Trek's Universal Derailleur Hanger (UDH) for mountain bike frames with Trek's ABP (Active Braking Pivot) rear suspension. A replacement drive-side hanger made for reliability and compatibility with ABP frames.

• Fits: Trek frames with ABP and UDH-compatible dropouts
• Side: drive side
• Version with 30 mm washer for better ABP bearing protection
• Colour: black
• Trek part number: W5271425