Saris XD/XDR Freehub Adapter (Direct Drive)

Allows XD and XDR cassettes to be used on Sairs direct drive trainers. Features: SRAM XD compatible with cassette adapter included SRAM XDR compatible without spacer Works with Hammer, H2 and H3 trainers For use with SRAM RED and Force eTap AXS(TM) 12 speed groups on Saris direct drive trainers