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race tires(5 posts)

race tiresprchmnky41
Jul 17, 2003 10:13 PM
I'm new to racing and not sure what size tires I should be on. I weigh 135 & right now I have axial pro lite 700x23c's. Would switching to a pro lite 700x20c be too narrow?
700x20 in front........23's in back for safety...........nmMR_GRUMPY
Jul 18, 2003 6:03 AM
23c on front for critsLC
Jul 18, 2003 7:31 AM
20c's are for Time Trials. you want as much rubber on the ground as you can get for those corners. You have to inflate the 20c to a higher pressure and then they don't grip as well. It is not really worth getting 20c since all they really do is make your bike ride more harsh and they won't hold in the corners as well.

Concentrate on doing short hard repeated intervals and you will be better off
re:23c on front for critsprchmnky41
Jul 19, 2003 9:45 AM
Thanks for the info guys. I don't race time trials, so I'll stick with the 23's
Naah, stick with the 23's.jw25
Jul 21, 2003 12:03 PM
Even at 135 lbs, you'll want to stick to 23's. The weight penalty is slim, and the max pressure of the Axial Pro Lights is fairly low. I personally wouldn't use them for TT's, and I'm only 150 lbs. TT's you can sacrifice cornering for reduced rolling resistance, but not general road racing - but we're geting off the subject.
At your weight, you can use stickier, faster wearing tires, since they won't wear down as fast. The Pro lights are a great example of these, and you can also look at the new Pro Race Lights, maybe the Stradius TT or Extreme. I wouldn't recommend the GP3000, but that's personal. I feel they ride kind of dead, and would probably be more so to someone 15 lbs lighter. I ride them at 100 psi, and still notice it.