finally got a chance to take my new ZX-4RR to the twisties along with my buddy's new Ninja 500. This thing is a blast. Having owned a Ninja 400 for quite some time, it took a little getting used to in wringing her out to get the most power. I'm almost 1 gear down in every corner exit to get the best results. Can't say enough about how flickable this chassis is. However, still need to get the suspension adjusted to myself so it feels quite springy under load. Overall, very, very happy with it. Cheers!