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1973 Schwinn Collegiate gears

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Old 09-04-09, 04:09 PM
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1973 Schwinn Collegiate gears

I got my schwinn back from the bike shop today. I'm going to start commuting to my college, so needed a bike. I haven't ridden a bike in a real long time, so I decided to get my mom's old bike repaired and use that for now. When I took it in for repairs, the repair-dude said that the derailer (or whatever is on the back wheel to shift the gears) was broken and they wouldn't be able to find a replacement since the bike is so old. I told them just to leave it in one gear and I'd treat it like a single-speed.

I rode it a couple times, and on the last ride I heard a clank when I started pedaling and it got harder to rotate the pedals. I think the gear shifted some how. I don't know much about bike mechanics, but the chain is on the furthest ring on the outside. I tried messing with the lever that shifts the gears, but it isn't doing anything.

Is there a way to manually move the chain onto the other gear ring thingies? I can get some pictures if I'm being confusing. Thanks in advance ;3
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Old 09-04-09, 04:24 PM
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You can break the chain (take it apart), remove the derailleur, shorten the chain enough to go around a front chainring and a rear cog, connect the chain back together, and slide the rear wheel forward or backwards a little bit in the rear dropouts to put enough tension on the chain, adjust the brakes to fit wherever the wheel ended up, then ride it like a single speed. Whew.
Are you sure the derailleur can't be adjusted somehow to not move the chain from your singlespeed gears? That would involve adjusting the hi and lo screws.
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Old 09-04-09, 04:53 PM
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I know next to nothing about bike mechanics, so I probably wouldn't know how to do anything you said without horribly maiming my bike. Should I just take it back to the bike shop and have them look at it?
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Old 09-04-09, 05:01 PM
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Take it to *another* bike shop - one that's willing to replace the broken rear derailleur (assuming it really is broken) and get it working properly. Your bike is younger than most of mine and I haven't had any problem replacing parts (incl. derailleurs).
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Old 09-04-09, 07:29 PM
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I sat down with my bike and tried to figure out how things moved and stuff. I figured out that the pedals have to me moving for the gear to actually shift (hey, I haven't ridden bike in a while). I think the lever that switches the gears is sensitive. I got it to switch gears and stay in that gear. If I have anymore problems, I'll head back to the bike shop.

Thanks for the help ;3
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Old 09-04-09, 07:43 PM
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The derailleur on that bike should be a rather inexpensive item, finding a replacement shouldn't be that hard.
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Old 09-04-09, 09:42 PM
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Originally Posted by prathmann
Take it to *another* bike shop - one that's willing to replace the broken rear derailleur (assuming it really is broken) and get it working properly. Your bike is younger than most of mine and I haven't had any problem replacing parts (incl. derailleurs).
Ditto. Heck, I spent 5 years as a Schwinn mechanic (1979-1984) and Collegiates are essentially upright-handlebar Varsities. The bike is darn near indestructible.

The derailleur can be replaced with a newer, cheap replacement item, such as this: https://www.bikepartsusa.com/bikeparts/item/01-102423 . It may be that the first bike shop doesn't know how to do this, but then they're incompetent and don't deserve your business.
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