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hub with plug in it. wha??

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hub with plug in it. wha??

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Old 07-31-06, 10:37 AM
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hub with plug in it. wha??

I bought a cool-looking old women's 3-speed bike at a thrift store, and it has a big hub in back (about 2-3 inches dia.) that has a little rubber plug in it. I'm assuming You are supposed to pour something in there or let something drain out at some point. can anybody tell me what this is? and what the purpose is? is it to put oil in? Thanks.
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Old 07-31-06, 10:41 AM
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motor oil from an oil can. 2-3 squirts per week. if rusty, drown that sucker in the beginning. the oil will slowly leak out on its own.

The "speeds" are inside of the hub.
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Old 07-31-06, 10:59 AM
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cool! thanks very much !
also, I can't seem to remove the master link to get the chain off to clean it. any suggestions?
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Old 07-31-06, 11:29 AM
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Master link? We don't need no steenking master link!

Get a chain tool! How old are you? I'm only 25, and I'm well-versed in pre-masterlink chains.
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Old 07-31-06, 11:59 AM
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The chain has a U shaped retaining clip that fits in grooves at the end of the pins in the master link. You remove it by squeezing the ends of this clip towards the pin with a pair of pliers. This is how I took the chain off my Raleigh Sports 3 speed in the 50s.
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Old 07-31-06, 12:14 PM
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yeah, I tried the chain tool on it and it wasn't working! not pushing the pins out. and I had just removed another chain with it so I know I was doing it right. then I saw the master link and thought I'd try that! gimme a break, I'm new at this... trying to learn how to take care of these bikes. It's pretty fun! thanks everyone for the info!
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Old 08-01-06, 07:24 AM
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If you have trouble removing the U-shaped clip from the master link, spreading it with the tip of a straight bladed screwdriver may help.
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Old 08-01-06, 09:42 PM
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Not all master links have the spring clip. Some of them look like a regular link with slightly wider side plates. For these you just pry the side plate off with a thin screwdriver. To reinstall, you get one end on and squeeze the other end with a pair of pliers until it snaps on. Only one side plate comes off, usually the one facing out, if the bike was assembled correctly.
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