Kickr Core – No resistance / “spinning out” feeling, gearing setup question

General Discussion
1

Hi,

I need some help with my setup on Zwift.

I’m using a Wahoo Kickr Core with a road bike (2 chainrings, 10-speed cassette).

I’m having trouble adjusting the gearing: at times I feel like I’m pedaling with no resistance, even when I’m riding normally (not in ERG mode).

I’m not sure how to correctly set:

  • the front chainring (small or big)

  • and which rear cog I should use for an optimal and realistic feeling

Is it recommended to use the big chainring on a Kickr Core?

And which rear cog should I use to avoid the “spinning in the void” feeling while keeping the drivetrain safe?

Thanks in advance for your help.

2

If you are using virtual shifting, follow Wahoo’s guide, gear ratio is important. When I first used it, I had too low of a ratio, and I would get the things that you’ve described.