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30mm wide tubular tire pressures

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30mm wide tubular tire pressures

Old 01-02-15, 02:07 PM
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30mm wide tubular tire pressures

For years Iíve ridden tubulars with nary a flat problem. Over the past six or seven years Iíve ridden four pairs of 24/25mm wide Vittoria Paveís down to the casings and not had one flat. It's a tire I love.

I canít say Iíve had as good luck with my clinchers.

I have decided to try a wider tire on my general winter bike, (a Waterford X-11)used mostly on pavement, but also on hard packed dirt and gravel.

Iím trying a pair of Challenge Strada Biancaís and trying to figure out optimal tire pressures. The sidewall of the tire says inflate to 100-120psi. (Which seems to me to be insane) Today I inflated the tires to 80psi. The ride seemed way to harsh.

So I knocked them down to about 60psi and that seemed to get me in the ballpark for pavement, although I suspect Iíll have to go lower when I get on the gravel roads.

I guess through trial and error I need to find the point the tire is comfortable rolling and absorbs some of the road shock and yet isn't spongy when I'm pounding. (The few times I pound anymore...)

Or maybe I'm expecting the tire to do more than it really does.

For those riding these fatter tubulars what kind of pressures are you running.

Whether is matters or not, Iím 150Ö..probably 155 pounds after this past week.

Thanks.
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Old 01-02-15, 04:59 PM
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IDK, seems you should ask other CX racers at The course in Question that Day ..

I wouldn't use them on a race that doesn't have the Pits you Pass every Lap .. given the Days it takes to solidly Glue on a Tire.
Spare Wheels on a second bike cuts the time doen lost when You Flat .


Long Linear GG rides? Bring a few extra Tubes .. Clinchers mark the casing.. for PSI Range.
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Old 01-02-15, 06:12 PM
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I have the Parigi-Roubaix clincher. On pavement, I'lll run 95/85 R/F. On gravel, I'll reduce the PSI by 15. Both are very smooth, smoother than my 700x25 Vittoria Corsa CX, which is also very smooth. I'm 220 lbs.

At your weight, I'd run 75/65 on pavement, 60/50 on gravel.
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