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Schwinn Sprint 24" wheels -- what is the tire size?

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Schwinn Sprint 24" wheels -- what is the tire size?

Old 05-13-09, 06:54 PM
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Schwinn Sprint 24" wheels -- what is the tire size?

I have a really cute red Schwinn Sprint bike that I picked up this winter for 49 cents. I want to start fixing it up for a height challenged co-worker, but it is missing the tires (well the front is so rotted I can't read any of the markings on it) and I am not sure what size tires to buy for it.

I am thinking they are 24 x 1 3/8, but want to be sure before ordering them.
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Old 05-13-09, 09:37 PM
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I think it is the same, I think they only used the odd sized 26" tires
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Old 05-14-09, 04:42 AM
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Here is why I am a little concerned. There are ISO 540 24 x 1 3/8 and there is ISO 547 24 x 1 1/4 S-6. I took off the existing rotted tire last night and the rim strip reads 24 x 1 1/4, so does that mean I should go with the S6 size?

https://www.niagaracycle.com/product_...ducts_id=12200
https://www.niagaracycle.com/product_...ducts_id=12198
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Old 05-14-09, 09:20 AM
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Hmm, I don't know then. Perhaps someone more knowledgeable than myself will chime in.
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Old 05-14-09, 11:22 AM
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Take the wheels to a good neighborhood bike shop. The neighborhood bike shops in my area always stock tires for the Schwinns of the 1970's and 1980's because there are millions of those bikes still out on the roads.
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Old 05-14-09, 11:50 AM
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Originally Posted by Rustyoldbikes
Take the wheels to a good neighborhood bike shop. The neighborhood bike shops in my area always stock tires for the Schwinns of the 1970's and 1980's because there are millions of those bikes still out on the roads.
That is something that I may have to do. I wanted to get them mail order to help keep the cost down.
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Old 05-14-09, 11:57 AM
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The cost of these tires should be very moderate. The bike shops in my neighborhood stock lots of tires for the Schwinns of the 1960's to the 1980's. These tires are made in Asia to be sturdy replacements for the original Schwinn tires. These are NOT "racing" tires. The average price for a blackwall is around $20. A well-made "fancy" white wall for a beach cruiser might cost a bit more.

After your bike shop finds out the precise size that fits, you can also keep an eye out at Wal-Mart and K-Mart. They also stock the old Schwinn sizes at some stores for about $10 a tire, but YOU need to verify the size, because the store staff will not know a bike tire from a doughnut.

One of the problems with buying tires for a Schwinn made after 1975 is that models made in Chicago often used odd "Schwinn only" sizes. The Schwinn bikes made in Taiwan or Japan usually used "industry standard" sizes. And, especially in the 1980's, Schwinn used the same model names for bikes made in Asia that had been used for Chicago-made bikes, so you can see two Schwinn bikes with the same model name, one made in Chicago, one made in Taiwan, and they MIGHT use different size tires. And THAT is why a good neighborhood bike shop is helpful, and it is way it is a "bargain" to pay the bike shop a little extra for a tire that is sold cheap over the internet.

Last edited by Rustyoldbikes; 05-14-09 at 12:02 PM.
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Old 05-14-09, 12:21 PM
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Niagara Cycle Works is my normal 'goto' place for cheap replacement tires via the internet. I really don't want to spend more than $9-12 per tire. It is a Taiwan built, low end lugged steel bike - but is is so damn cute! My goal is with the tires, tubes cables etc to keep the cost under $50 if possible.

Here is a bad picture of the bike:
[IMG][/IMG]
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Old 05-14-09, 12:52 PM
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I had a shop order in a set. They are a Schwinn specific Tire. It will run you around 30.00 a set. Lots more than you paid for the Bike.

I believe that a wheel Chair Tire is the same size. These are Grey tires but may be cheaper
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Old 05-14-09, 01:09 PM
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The bike cost 49 cents at a thrift store. If it is the Schwinn specific it would be the S6 and the cost would be $8.49 per.

HomeTires24" Tires7958

Pyramid Tire 24 x 1-1/4 (Schwinn S6) Black Tread / Gum Wall Street K23


Click to enlarge

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about this item

  • 1 tire
  • 24" x 1-1/4"
  • Black tread with gum side wall, street style
  • ISO Diameter = 547mm
  • *Note: This is NOT the same diameter as a fractional tire size such as 24" x 1 1/4"*
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Old 05-20-09, 03:38 PM
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Originally Posted by sonatageek
The bike cost 49 cents at a thrift store. If it is the Schwinn specific it would be the S6 and the cost would be $8.49 per.

Home Tires 24" Tires 7958

Pyramid Tire 24 x 1-1/4 (Schwinn S6) Black Tread / Gum Wall Street K23


Click to enlarge

Click to enlarge
Ask a question
about this item

  • 1 tire
  • 24" x 1-1/4"
  • Black tread with gum side wall, street style
  • ISO Diameter = 547mm
  • *Note: This is NOT the same diameter as a fractional tire size such as 24" x 1 1/4"*
Yup, that's the correct tire. At $20 per pair, a good deal, considering they should last five years or so with moderate use and indoor storage. At $4 a year, it comes close to the cost of a cup of coffee at Starbucks.
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Old 05-21-09, 10:25 AM
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The sprint was made in Taiwan by Giant for Schwinn, and used the 24" X 1 3/8" tire (ISO 540) and NOT the 24" x 1 1/4" S5/S6 tire (ISO 547). Schwinn stopped using the S5/S6 and S7 sizes on the 20", 24" & 26" wheels when the Chicago factory closed.

*Edit - the sprint with the straight seat tube was made in Taiwan, the earlier version with the bent seat tube was made in Chicago. The one pictured was manufactured in Taiwan by Giant

GregG
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Old 03-22-19, 09:01 PM
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I have this bike

I ordered the iso 540 and they are too small. Having to return them and get the iso 547 that are bigger.
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