Crit Tire Size???

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I'm very new to racing and will be doing a few crits and TT's (different Bike's).

I'm currently riding a Giant TCR Comp 1 with a K-wing Bar and Ksyrium ES rims. I'm in need of new rubber. I've been using Continentals Attack/Force Combo and like them pretty well. I'm considering GP 4000's this time around as I really liked my 3000's. The real question is width. I've run both 20's and 23's on my road bikes but have never raced on the narrower size. I like the way 20's roll but will I suffer in the corners with them?

Give me some feedback on this please. I'm open to suggestions.

Thanks,

James

it's up to you depending on how you like to ride. A 23c will ride softer and slightly more grippy into a corner.
If you like the force/attack 22c and 23c stick with them, these seem to be a good set up i run them on my road bike on campagnolo wheels.
I always ran 18-20c as a junior for roll outs and they felt like they roll faster and ride harder never realy noticed any difference into corners. But most 20c tyres can hold 160psi compared to 140psi in a 23c.
Few people have said that a decent 23c like force/attack or 3000GP or the new 4000, will stick more into a corner. The centre you ride on is probly almost the same as a 20c anyway, if your not much over 70kg and running 140psi.