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Help identifying this Schwinn

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Help identifying this Schwinn

Old 05-25-13, 11:46 PM
  #1  
nanoboy
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Help identifying this Schwinn

Hey guys,

Please forgive me if I am posting in the wrong spot, but I am just getting started in biking and I ran across this Schwinn bike and I am trying to see if it is worth fixing up or what. I found it in the crawlspace of a house we just bought.

It is stamped 1983, I am not for sure if that shows up on the photos.

If it is worth fixing up where should I start?

Thanks in advance for any help.
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Old 05-26-13, 12:30 AM
  #2  
dddd
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Might be a King Sting, or possibly a newer, lower model.

I was forgetting the names, but it's definitely not a Scrambler.

I don't think they ever made these in larger sizes, unfortunately.
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Old 05-26-13, 12:46 AM
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Thank you dddd. There is this model stamped right beside the Schwinn plate ku500979
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Old 05-26-13, 06:57 AM
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First, on the head badge there are four small numbers, these can be used to tell the month & year it was built https://re-cycle.com/History/Schwinn/SwnB_Serial.aspx

Second, looking at the pictures this seems like a low end built Schwinn ATB but a drive side picture would confirm that, one piece crank, built in kickstand & sunrace shifters would all lean to a low end model. Looks a lot like a Mesa Runner or a Sidewinder, although a 84 MR had a 3 piece crank & a 84 SW had a BMX style fork.

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Old 05-26-13, 07:41 AM
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Thanks Glenn for the info, it's stamped 3113, so I'm guessing Nov. 7th, 1983.

I know you said it looks like one of the lower end Schwinn bikes with the kick stand and Sunrace shifters, so should I spend anytime on it or find me another project?

Thanks again!
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Old 05-26-13, 07:58 AM
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It depends on your priorities. You could dump 500 dollars worth of parts into this and it still wouldn't be as good as your typical early 90s rigid mountain bike that you can often find for well under 100 bucks at yard sales. However, that kind of mentality sort of undermines the point of vintage bikes. It might not be a great bike, but it is pretty cool for what it is, which is a seldom-seen bit of Schwinn's declining years, an interesting piece of early mountain bike history, and probably a pretty solid usable bike if you give it a fair shot. So yeah, if your priority is to have a great bike at an affordable price, you can do better for cheaper. But if you find yourself interested in bikes for more abstract things, it's definitely a neat little piece.
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Old 05-26-13, 09:46 AM
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That's an '83 Sierra in Midnight Blue, one of only two ATBs (All-Terrain Bicycles) Schwinn offered that year. It was the better of the two, but still a fairly low-end bike. It was actually built by Murray for Schwinn. At the time that bike was made the Chicago plant had just been closed and the electro-forged frame tooling was sold to Murray who was building the frames in Lawrenceburg TN. The KUxxxxxx serial means the frame was built in Oct. '83, and as you found the 3113 headbadge number indicates the bike was built on Monday Nov. 7, '83.

The cool parts on that bike are the SunTour AG (Alpine Gear) derailleur and the matching SunTour 14-38T super wide range freewheel. That was one of the first mountain bike specific derailleur/freewheel combinations and sometimes they go for a lot of money. Here is one of the freewheels on eBay: https://www.ebay.com/itm/270953586998

One of the derailleurs recently sold for $20, but he might have got more if it was an auction instead of BIN: https://www.ebay.com/itm/330880589837

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Old 05-26-13, 12:11 PM
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The '83 All Terrain catalog page and specs. It's not surprising Schwinn chose not to publish the Sierra and Sidewinder weights; by 1983 the company was fighting the public's perception that Schwinn bikes were tanks.



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