[BloomBikeShop]

I'm only about an hour away from Gloucester, MA so I think I'm going to try cx since the big Gran Prix race series will be there.

I'll be racing on my mt bike, but I'm not sure on tires. I have some 1.95 IRC Serac XC tires that aren't too wide or knobby, and I have some Geax semi-slicks that are like 1.6, but not even tiny knobs.

Which would you use?

[The BikeForums Team]

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[Surferbruce]

if theres any dirt or loose stuff use the knobbies. just grass and pavement you might get away with the slicks.

[ASCracing]

hutchinson makes a 1.3 if you want to buy new tires