If you’re unsure of which SRAM adaptor you need, use the below images to see the subtle differences between groupsets.
Universal Derailleur Hanger:
Transmission GX:
Transmission XX:
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SRAM UDH / Eagle Transmission Adaptor
£9.00
Adaptors to enable the use the Tailfin Thru Axle with bikes using SRAM’s Universal Derailleur Hanger (UDH) or Eagle Transmission technology.
For bikes using Transmission groupsets ensure you use the longer Universal Thru Axle along with the appropriate Transmission adaptor.
Use our Axle Guide here, to determine if you require this part.
Eagle Transmission Instructions are here.