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Did Schwalbe send me the wrong size?

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Did Schwalbe send me the wrong size?

Old 09-10-08, 09:55 AM
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mattmonger
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Did Schwalbe send me the wrong size?

I ordered a new set of tires direct from Schwalbe last week. I got Marathon Supremes in 700x32. They arrived yesterday and I got them mounted, but they don't look anywhere near 32mm to me. They look more like 700x25. They are mounted on 15mm rims.
Is it possible they sent me a smaller size, or am I just a poor judge of tire width? I wish I had come calipers to measure them.

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Old 09-10-08, 10:06 AM
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Check the labelling, what does it say on the side?
Tire width isn't the most precise aspect of bike componentry.
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Old 09-10-08, 11:14 AM
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And the width of the rims make a HUGE difference in how the effective width of the tire. Might I guess these are pretty narrow rims? jim
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Old 09-10-08, 10:57 PM
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Marathon Supremes are apparently so high tech that they don't need anything on the sidewall except "MARATHON SUPREME" in huge letters. There's nothing as far as size or pressure.
My rims are 15mm. I stopped be the LBS on the way home today and compared a few other bikes with 700x32's on. I guess they aren't as skinny as I thought, but they seem a heck of a lot skinnier than the stock 700x35 cross tires I ran previously.
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Old 09-11-08, 04:57 AM
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As previously stated, rim width has a lot to do with the eventual "size" of the tire. A smaller rim will tent to make the tire narrower in width and larger in diameter (circumference).

Marathons also tend to run a little undersized. I had 32's on my CrossCheck a couple years back, they looked similar.

Sorry, not the greatest of comparative shots
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Old 09-11-08, 05:27 AM
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Look closer at the sidewall. Right above the bead somewhere should be tiny moulded-in lettering like "28-622" or "32-622". That's the real size of the tyre.
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Old 02-16-09, 12:46 PM
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Did you ever figure out what size they sent you? I am looking at the same tires and trying to decide between 32mm & 35mm.

Anyone else have feedback on these tires?

Thanks!
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Old 02-16-09, 01:09 PM
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Schwalbes run small. A couple years ago I ordered some 30c tires. Said 30c on the box. Said 28c on the tire.

Go figure.

Here's what Grant P. has to say...

"The Marathon Supreme is a particularly costly tire because it has all of Schwalbe's best & most expensive materials and methods in it. We sell only the 700x42 right now, and it measures not 42mm, but closer to 37.5mm when mounted on a 21mm wide rim. UPDATE: we are now selling 700x35 Supremes. The 35 actually measures to be about 33mm.

In our tire line-up, they're one notch fatter than the world-beatin' Jack Brown. Both are basically round fatty slicks. If you're looking for a fatter Jack Brown, just get the Schwalbe Marathon Supreme 700x42 (actually 37.5 or so). 495 grams.

Kevlar bead (so it folds), and a Vectran belt. Vectran is the latest greatest densest lightest toughest thorn-foiling Kevlar out there, and that also jacks the price up.

If your bike fits these, you'll never regret putting them on."

To the OP, I'd try and exchange them. Call Schwalbe America and tell them the situation and ask for the 35.
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Old 02-16-09, 01:47 PM
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Exactly the info I was looking for.

Thanks!
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Old 02-16-09, 02:37 PM
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Marathon Supremes in 700x35 for $29.99 a tire.
http://www.niagaracycle.com/product_...ducts_id=31116
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Old 02-16-09, 05:17 PM
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Originally Posted by mattmonger View Post
Marathon Supremes are apparently so high tech that they don't need anything on the sidewall except "MARATHON SUPREME" in huge letters. There's nothing as far as size or pressure.
My rims are 15mm. I stopped be the LBS on the way home today and compared a few other bikes with 700x32's on. I guess they aren't as skinny as I thought, but they seem a heck of a lot skinnier than the stock 700x35 cross tires I ran previously.
I installed an identical set of 700x32 Marathon Supremes a few months ago
They say 32-622 in the space between the rim and the reflective sidewall on one side of the tire.

Incidentally, I did buy a pair of 700-28 Gatorskins a year ago, that had tags saying 700-28 on both. After I had them mounted, something looked wrong. Close examination of the sidewalls revealed one was really a 23. So now I always check the sidewall, no matter what the tags and packaging say.

BTW Schwalbe is sneaky about the stamping indicating the country where it was manufactured. They put it right on the bead of the tire, so it is impossible to read once the tire is mounted.
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Old 02-16-09, 05:39 PM
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Here is a 700-32 Supreme on a 23mm Velocity Synergy.
Attached Images
File Type: jpg
schwalbe-penny.jpg (38.3 KB, 15 views)
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Old 02-16-09, 06:31 PM
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I have 700X40 Supremes on a 18mm wide rim. They measure 40 on the button.

I think I will try a set of 35s at that price. Niagara has been good to do business with.
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Old 02-16-09, 06:39 PM
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Originally Posted by Wanderer View Post
I have 700X40 Supremes on a 18mm wide rim. They measure 40 on the button.

I think I will try a set of 35s at that price. Niagara has been good to do business with.
The price is right, but something that gives me pause is that the photo they show looks nothing like a Supreme.
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Old 02-16-09, 06:46 PM
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That has happened before , and they told me the tire will be the one described. Seems as though the pics get screwed up once in awhile.

My confirmation receipt:

Products
------------------------------------------------------
2 x Schwalbe Marathon Supreme Tire 700 x 35C, Aramid Bead, 460g, Black (301116) = $59.98
------------------------------------------------------
United States Postal Service (1 x 2lbs) (Priority Mail: Estimated 1 - 3 Days): $6.75
Total: $66.73

Last edited by Wanderer; 02-16-09 at 07:05 PM.
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