Some gears might skip, but nothing else. I never bothered to update my trainer wheels to 11sp and it hasn't made a difference. As long as I don't shift off the end of the cassette, it doesn't even skip.

---

ZONE3 - We Last Longer

Try to imagine all life as you know it stopping instantaneously and every molecule in your body exploding at the speed of light.

Yep, total protonic reversal.

---

Favorite Gear: Dimond | Cadex | Desoto Sport | Hoka One One

I ran 11 Sp SRAM 22 on crank set and front and 10 sp SRAM for rear and cassette all last year and never had an issue. Front isn't indexed so not as big of a deal. Anything I've read kept me from attempting to run 11sp rear with 10 speed cassette because of chain width and cog spacing differences.

If you can use a 11 speed cassette, just buy one. The skipping of gears will take a toll on your chain, so in the long run, you end up with a better running drive train that will last longer. If a 11 speed cassette doesn't fit your trainer, Edco MonoBloc cassettes are made to fit 11 speed onto a 10 speed spacing.

---

"Suddenly the thought struck me. My floor is someone elses ceiling"-Nils Ferlin

The Edco monoblock is an elegant solution.... but pricey! $250 seems a bit much... https://www.edco-cycling.com/...tte-shimano-11-speed

There are some workarounds that might be of interest:
http://darkspeedworks.com/blog-11speed.htm
https://www.youtube.com/watch?v=rfv9auQ-_fo
and, a great video by Shane Miller: https://www.youtube.com/watch?v=cazQt5oleo4