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Fat boy needs help with tire selections:)(9 posts)

Fat boy needs help with tire selections:)kentuckyjoe
Dec 24, 2001 3:39 AM
Hey,Im just getting into roadbiking and need help choosing a good set of tires to match up with my mavic kysrium wheelset.I currently weigh in at 235-240 and mostly ride about 15-20 miles per day for fitness and because i just like riding in general.Ive been looking at the conti gp 3000 and the michelin axial pros but im not really at the racing level if you know what i mean:),read a whole bunch of the reviews on both and that just confused me more.Also,you think the mavic wheel set will hold up to my weight ok? thanks in advance for all replys and info. later,Joe
Size mattersKerry Irons
Dec 24, 2001 6:52 AM
At your weight, neither of these tires is likely to last much more than 1500 miles. At 180 lbs. I get about 2500 out of them, and my 125 lb. wife gets about 5K, so you can see where that goes. However, they are nice tires, and are available for less than $30 at LaBicicletta, so you may do well using them, even with the low mileage. Whatever tire you go with, I would strongly suggest 25mm width.

How well your wheels hold up will have a lot to do with your riding style. If you're "light on your wheels" you should have few problems. But if you don't keep your eyes open for road hazards, don't rise up off the saddle in the rough spots, etc. then you can expect trouble with nearly any wheel set. Conventional wisdom at your weight would be 36 spoke wheels.
I'd wear an innertube around your rearRusty McNasty
Dec 24, 2001 7:30 AM
You're gonna need it when your excessive bulk busts those flyweight wheels and you land on your @$$!
that was QUITE uncalled for. nm.weiwentg
Dec 25, 2001 2:43 AM
Yes.that was a little uncalled for mr.mcCnasty.kentuckyjoe
Dec 25, 2001 11:15 AM
You also werent correct in your assumption.I dont need an inner tube because i allready have plenty of padding back there now,LOL. thanks for all the replys everybody:)and i may have a set of ksyriums for sale if anybodys interested. Later,Joe
re: Fat boy needs help with tire selections:)Applejuice
Dec 24, 2001 12:21 PM
I'm not an expert in road tires, but for your size I would recommend a tire that is larger in width. Stay away from those real narrow 23mm tires go for something bigger. The larger volume of air will not compress as much as a smaller volume would. Of course, this can be compensated for by increasing tire pressure, but I think a larger tire is also good for giving you a bigger contact patch. Maybe think about something in the 25-28 mm range (width).

I would also e-mail or call Continental and ask them what they think. They make great tires, whether it be for road, mtb, recumbent or touring, so I'd consider them a safe bet.
36 spokes and 28C tires!guido
Dec 24, 2001 3:24 PM
A properly tensioned 36 spoke wheel will not flinch under 250#, and you'll never get a pinch flat with a 700x28C tire. Contrary to most performance addicts' prejudices, a 28C tire aired up hard (100-110psi) has about the same rolling resistance as a skinnier tire, but gives a cushier ride, and will seldom bottom out on a hard bump.

I'd bet those Krysium wheels won't last six months for you, so I'd trade them in on a set of hand-built 36 spoked wheels, and buy some accessories with the money you'll save.
I'd say at least 32 spokes and 28 or 32mm tirescory
Dec 26, 2001 8:30 AM
I have some doubts about those wheels at your weight--I've gone from 260 to 215 in the last year, and even at my present 220 (holidays are tough), fewer than 32 spokes tend to cause me trouble. If you're not tearing 'em up, there's no reason to change, but I haven't had much luck.
As for tires...as the old joke goes, I went up from 25s to 32s and they felt so good I bought 35s. I'm using 35mm Paselas on the Atlantis most of the time, and when I go back to skinnier tires, I don't like 'em. Everybody makes fun of me, but I can stand it...
Most tires labeled 32mm are really only 24-26mm wide, though. At our size, they have a lot of advantages and very few drawbacks.
I prefer the word "HUSKY" =)BigLeadOutGuy
Dec 25, 2001 6:09 PM
Hey Joe!
I'm 6`4`` and your weight and have no problem using 20mm tires...I usualy go with 23s and they work fine...I actually like the feel of 20s better for some reason. As far as what kind of tires to buy get something midrange.Its kind of hard to find anything above 23mm, Ive never tried anything larger than 23s..Id stay away from "racing" tires just cause they arent that durable when your riding through debris on the shoulder of the road somewhere. I dunno what all the hype is about K wheels...lemme know how they work out for you, im dying for a set =) I just use 32hole 3x open pros and dont really have much of a problem with them...just stay light on the bumps and cobblestones =)