Wheels Manufacturing Wheels Manufacturing Universal Derailleur Hanger - 487, For Trek ABP MTB Frames designed to accept SRAM UDH, Black - The Devil's Gear
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SRAM DER PART SRAM UDH HANGER BK – 00.7918.093.000 | https://www.orangecycleparts.com
Podcast #066 - What's up with... the SRAM UDH? - Bikerumor