I would guess that the radial IROKS would not do quite as well as the Bias ply, but they'll still tear it up!
![Thumbs Up :thumbs:](https://board.marlincrawler.com/Smileys/marlin/thumbs.gif)
Also, they should hold up longer, and run better on the street. If you're tired of your bias TSLs, I'd definitely stay away from other bias ply tires.