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What size tire for my ride?

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What size tire for my ride?

Old 07-07-05, 07:12 PM
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zilmanko
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What size tire for my ride?

Hello I will try to keep this short...
I recently bought a Trek 1200 Road Bike, but getting a lot of flats, after countless hours of research and reading testimonies on flat resistant tires I find these tires "ALL CONDITION ARMADILLO TIRE 2005 model" can be found here http://www.specialized.com/bc/SBCEqP...jsp?spid=11177 I think these will most likely be the best for me to prevent flats. My question is what size should I run on my bike? And of whatever size what PSI should I put in for front/back? Here is a list of factors you may need.

My weight is 205lbs, I ride with 2.1 liter of water in a camelbak and have regular tools in a seat bag.
I have Shimano Tiagra hubs and Alex rims which come stock on the 2005 trek 1200.
I am often getting flats only on my back tire which is Bontrager Select, 700x25c front and back.
I am thinking of doing a 23mm for the front and a 28mm in back. What do you suggest for the sizing for front and back? (They only make 23/25/28mm)
I am in training to loose weight and get more into the sport of cycling, I do about 30-60 miles in a ride and do that 2-3 times a week. I also average 19-23ph with sprints up to 32mph.
Thank you for your time and help.
AJ
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Old 07-07-05, 07:31 PM
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How about both 25's, or 25 in front and 28 in back? It probably doesn't matter too much, but will make your ride a bit more comfy with bigger tires. Actually, I've only used 25/26mm on road bikes.
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Old 07-07-05, 08:48 PM
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I weigh 250 lbs and I have a set of Mavic MA 40's 36 spoke and I run Serfas folding (puncture resistant tire and so far I have put about 500 miles on them and no flats. They are 23's.
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Old 07-07-05, 09:23 PM
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ZappCatt
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I would go 25 on both. I am using the Conti Ultragators.
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Old 07-09-05, 04:48 PM
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Thanks for the info everyone, I am still trying to decide, I ended up writing the specialized company and someone there said to go with the 28mm front and back, but I'm still looking for other peoples input, so feel free to post more, about PSI too ;o) Hey ZappCatt how are those Ultragators going for you? Those were my 2nd choice of tire. I know the ones I picked are the heaviest but I would rather have a little more rolling resistance to push myself with rather than getting flats along the way, I just ride for fun and exercise now, won't be doing anything competitive for another year or so I assume, but I definitely want to pursue some more challenging rides in the future.
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Old 07-09-05, 04:52 PM
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25, I'd say.

Why are you getting so many flats? What kind of PSI do you run?
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Old 07-09-05, 04:59 PM
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zilmanko
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Originally Posted by ivan_yulaev
25, I'd say.

Why are you getting so many flats? What kind of PSI do you run?

I have just been unlucky I guess...I had my LBS check the rim and everything is fine. I put 100 PSI front and back which was recommended on the tire and by the LBS. Each time I got a flat it was from either a thorn, glass or sea shell which are the main hazard's were I ride which I try to avoid of course. So I never road any other tire but the ones that came stock, does anyone think I will be turned off by these new ones?
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Old 07-09-05, 05:35 PM
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I used to ride Specialized slicks (I think Mondos?) and then switched to their all condition sport tires (23s) and never had a problem. I kept the pressure up around 115-120. Just something to keep in mind b/c the all condition sport, if I recall, is a bit less expensive than the all condition armadillo.

I have Vittoria Zaffiro tires now 'cause they came on my new bike. They're okay. I'll burn through them and put some Specialized tires on when the Vittorias are cooked.
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Old 07-09-05, 05:43 PM
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Another vote for the Conti UltraGatorskins, though every seventh person will tell you they flat every 20 feet with them(?). I've put around 800 on mine with no punctures at 110-115psi, and the ride is fantastic. At 250lbs. I'd probably want them in 25 or 25f/28r, and at the full 120psi.

You will get more protection with the Armadillos, but I didn't even want to try them after hearing about the harsh ride - that's just me though, many swear by them.
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