Adds direct mount compatibility with Shimano Road and Gravel derailleurs to any SRAM UDH compatible frame
Optimized for Shimano models: Dura-Ace (R9100 and R9150), Ultegra-(R8000, R8050, RX800, and RX805), 105 (R7000), and GRX-(RX810, RX812, RX815, RX817, and RX400)
M12x1.0 Thru Axle thread pitch
Use without the B-Link when attaching
Retains ability of original SRAM UDH to rotate under impact to help protect the derailleur in the event of an impact