Originally Posted by wrc_fan
They don't, and if you're asking that question, these probably aren't the tires for you.
These are competition tires dressed up as a street tire. I've seen quotes saying that competitors may want to have back up tires if faced with large amounts of standing water on race day.
I would tend to agree. The DW is a great wet traction summer only tire. The Rival is a tire meant for the track on dry days. Can it be driven every day? Sure, and we'll know more about it's wet traction when we do our full test late spring, but I wouldn't but it with the intention of thinking it will be a good rain/wet tire, that's not what it was built for.