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Tire size for Clydesdale road biker

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Tire size for Clydesdale road biker

Old 06-18-10, 06:13 AM
  #1  
idlaws
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Tire size for Clydesdale road biker

I'm 52, 6' 6" and weigh 210 lbs. I ride a Kona Major Jake for triathlon, century rides and back road cruising. Wheels are Mavic Open Sport/Ultegra Hubs. Should I use 700x23 or 700x25 tires because of my weight? I ride smooth highways and pebbly asphalt country roads, rain or shine. I don't want to change tires for each type of ride. If it matters, I prefer Continental GP 3000/4000 tires.

Thank you
Ian Laws
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Old 06-18-10, 06:41 AM
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25's will probably be better fit for you
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Old 06-18-10, 06:42 AM
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I'm heavier than you and I use 23's with no problem. Just inflate to sidewall/rim max, whichever's lower.
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Old 06-18-10, 06:47 AM
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25's or 28's would suit you well.
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Old 06-18-10, 07:18 AM
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I was 235 when I started riding and I was on 23's. I ran my tires at about 115psi and I never had any problems.

There is a local CAT3 racer in my area that weighs 260 (probably around 6'6")! This guy is winning at road races and crits and is just an all around animal. He is amazing to watch. Anyway, he is still riding 23's.
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Old 06-18-10, 08:09 AM
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I'm 205 and use 25's (GP4000). I switched from 23 to 25 two years ago because I found the ride quality was better.
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Old 06-18-10, 08:23 AM
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You're fine on 23's. We use 23's on our tandem for time trialing with a team weight of 340lbs.

25's would give you the option of running a bit lower pressure which would give you a more comfortable ride, but you don't need 25's
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Old 06-18-10, 08:25 AM
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You'll be fine if you run 23s, but you may want to run 25s for the increased comfort. I don't think you'll see much of a performance drop going from a 23 to 25.
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Old 06-18-10, 08:27 AM
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I watch the price is right. The winner usually is the one who takes the over so I'm going with 40
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Old 06-18-10, 08:41 AM
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I am 225 and I run 23's no problem.
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Old 06-18-10, 08:47 AM
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I started the year at 210 (I'm down to 190 now) on 23's without an issue.
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Old 06-18-10, 02:07 PM
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23's it is. Good, they're on sale at the LBS! Thanx for all your feed back. Ian
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Old 06-18-10, 06:46 PM
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You can always lower the pressure just a tad and gain some comfort. I'm 220'ish and ride 23s usually at about 8 bar or whatever PSI that works out to be.
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Old 06-18-10, 06:47 PM
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Try both and decide for yourself...

That said, if I were you I would ride 23s in front and 25s in back.
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Old 06-18-10, 07:03 PM
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Clyde here also, I'm at 205~ currently with Michelin Lithion2 size 23.
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Old 06-18-10, 07:09 PM
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Originally Posted by idlaws View Post
23's it is. Good, they're on sale at the LBS! Thanx for all your feed back. Ian
After you give them a go, how about updating the thread with which ones you got and how you like them?!?
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Old 06-18-10, 07:21 PM
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Originally Posted by nitropowered View Post
25's will probably be better fit for you


not necessairly.

the 700-23 size will work nicely for you. you really dont need to get the 25's unless you just want to. I know from experience.
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