Originally Posted by
Jed19
I recently sold a 7800 wheel to a guy. He reported back that SRAM 10-Speed cassettes do not work with the Dura-Ace 7800.
This is correct. All Shimano 10-speed cassettes have deeper grooves to clear the taller splines on the 7800-series hubs and also work on older 8/9/10-speed hubs.
SRAM 10-speed cassettes have the former depth grooves and will work on any 8, 9, or "standard" 10-speed hub but not on the 7800 or the 10-speed only Dura Ace and Ultegra pre-built wheel sets.