The UDH is designed to optimize shift performance across all bikes as well as create a sensible solution for replacing damaged hangers. The UDH has been widely adopted throughout the …

Jul 9, 2024 · UDH stands for Universal Derailleur Hanger and it’s SRAM’s technology that aims to provide a single hanger design that manufacturers can adopt for their bikes, with advantages …

UDH refers to the physical rear derailleur hanger created to standardize the integration between hangers and bike frames. The Universal Derailleur Hanger has been widely adopted by both …

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Like many other hangers, the UDH is made of two parts – the hanger itself and what SRAM refers to as the ‘UDH bolt’, which secures the hanger to the dropout.

Jan 31, 2025 · In this video, JOM of the Gravel Cyclist crew breaks down some of the mystery of UDH, known compatibility issues, and solutions. UDH on Gravel Bikes Explained (or see video)

What is UDH? UDH is short for Universal Derailleur Hanger. It is an attempt to standardize on one derailleur hanger design and eliminate hundreds of existing standards. Today each bike brand …

UDH, or Universal Derailleur Hanger, refers to a universal design of derailleur hanger that can be used across supporting brands and works with traditional rear derailleur mounting styles.

Jul 17, 2025 · The UDH is compatible with all major brands, such as SRAM, but also Shimano and Campagnolo. Later, SRAM also came out with the 'Transmission', where a derailleur is …

Nov 21, 2024 · Launched in 2019, UDH is effectively the rear derailleur hanger of destiny riders have been dreaming of for decades. SRAM’s design also evolves the sacrificial function …