Wheels Manufacturing Wheels Manufacturing Universal Derailleur Hanger - 487-3, For Trek ABP MTB Frames designed to accept SRAM UDH, Black/Orange - Elite Cycling & Fitness | Miami, FL
Wheels Manufacturing Wheels Manufacturing Universal Derailleur Hanger - 404-6, For Frames designed to accept SRAM UDH, Black/Blue - Over The Edge | Fruita, CO
SRAM's universal hanger concept could make coaxial mounted (hangerless) derailleurs a thing (again) - Bikerumor