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Old 05-19-06, 11:36 PM   #1
Shaman
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Help me find cycle tires...

I need some 24" x 1.75" (+-.25") smoothies for my wife's trike.
It comes with 35psi max tires which are just plain junk.
Need something that will take at least 60psi.



Thank you!
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Old 05-20-06, 04:32 AM   #2
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Uh why do you think 60psi tires are going to be better?
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Old 05-20-06, 05:59 AM   #3
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OK the very FIRST thing you need to do is figure out WHICH 24" you need. There's 4 different wheel diameters that all get called 24". Their ISO sizes are 507 mm, 520 mm, 540 mm and 547 mm.

Confused already?

You can get decent slick tires for some of the sizes but you realy need to know which size first. Look for an ISO size, ie 540x37c but failing that tell us what markings are on the tire or rim.

Regards, Anthony

Last edited by AnthonyG; 05-20-06 at 06:06 PM.
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Old 05-20-06, 11:29 AM   #4
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The wheels have P-7X 24" / 507x25 stamped into the rim.

The original tires are marked 24 X 1.75 FITS 24 X 2.125 RIMS
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Old 05-20-06, 06:03 PM   #5
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Quote:
Originally Posted by Shaman
The wheels have P-7X 24" / 507x25 stamped into the rim.

The original tires are marked 24 X 1.75 FITS 24 X 2.125 RIMS
OK 507 is good.

ISO 507 mm is the 24" Mountain bike size and you can get good quality slicks for this size. I've got some inexpensive 507x47c slicks on my bike that are rated to 65 psi and you can also get realy good quality tires from Schwalbe or Vredestien in this size depending on what you want to spend but availability for basic tires shouldn't be an issue in this size.

Just remember that ISO 507 is the key size.

Regards, Anthony
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Old 05-20-06, 06:32 PM   #6
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Okay, so these seem right, but how do I get them?
Schwalbe Marathon 24 x 1.5
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Old 05-20-06, 06:53 PM   #7
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Quote:
Originally Posted by Shaman
Okay, so these seem right, but how do I get them?
Schwalbe Marathon 24 x 1.5
There's an error in your link.

Where abouts in the world are you? I'll take a guess that your in the America's somewhere so try this link, http://www.schwalbetires.com/ and look for a local supplier or distributor.

I guess these are what your looking for, http://schwalbetires.com/node/120/ok

Regards, Anthony
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Old 05-20-06, 06:54 PM   #8
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check out Harris Cyclery only place I know of off hand . Use the contact link at the bottom of the webpage for Sheldon brown , He is good at giving advise and may be able to get the Schwalbes. http://www.sheldonbrown.com/harris/tires/507.html
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Old 05-20-06, 10:46 PM   #9
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Thanks guys... They are on order. Factory direct with only $9- shipping for 3 tires. Pleasant surprise.

I got the 1.75" since that's what's on there.

Is the 25 on the rim size the -minimum- tire size that you can put on the rim?
How exactly does that work, anyway?

Thanks Again!
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Old 05-21-06, 12:53 AM   #10
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Here's all you ever wanted to know about tire sizing, http://sheldonbrown.com/tire-sizing.html

Regards, Anthony
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Old 05-21-06, 02:50 AM   #11
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This has been amazingly educational...
I didn't know so much has changed in recent years.
WOW My head's still spinning

Thanx a bunch!
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Old 05-21-06, 06:38 AM   #12
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www.schwalbe.com
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