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How do I remove this cassette?

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How do I remove this cassette?

Old 07-18-20, 05:13 PM
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Greiselman
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How do I remove this cassette?

From a mid-80s Bianchi mountain bike. The 6 speed cassette needs to be replaced... but I don't think I have the tools/knowledge to get the lockring off.
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Old 07-18-20, 05:23 PM
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That cassette is a Suntour freewheel and won't come off like a Shimano cassette. The entire freewheel will need to be taken off and likely replaced. Individual cogs or Suntour freewheels can be replaced but sourcing them is hard to do. Few of them are left so the best to do is replace the entire freewheel. There are a number of companies that make replacements. Sunrace is one of them and they have inexpensive freewheel prices. Think about going to your local co-op to get help removing and replacing. Smiles, MH
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Old 07-18-20, 05:55 PM
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See the slot looking grooves at about 11:30 and 5:30 either side of the axle. Take the axle out and then find something that fits both slots. Put that in a vice, then set the wheel on top, line up the slots with your improvised tool in the vise, then turn the wheel counter clockwise..... if I didn't get that messed up in my head. Opposite of what ever direction the chain pull the freewheel.

If you were taking a picture of yourself, would you be that filthy? Clean up next time... <grin>
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Old 07-18-20, 06:02 PM
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Take it to a. bike shop and there will have the correct tool. 30 second job. We never charge.
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Old 07-18-20, 06:08 PM
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Originally Posted by Tandem Tom View Post
Take it to a. bike shop and there will have the correct tool. 30 second job. We never charge.
They usually $5-10 here.

FWIW looks like it needs the suntour 4 prong tool and not the 2 prong freewheel tool.
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Old 07-18-20, 06:15 PM
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Originally Posted by Iride01 View Post
See the slot looking grooves at about 11:30 and 5:30 either side of the axle. Take the axle out and then find something that fits both slots. Put that in a vice, then set the wheel on top, line up the slots with your improvised tool in the vise, then turn the wheel counter clockwise..... if I didn't get that messed up in my head. Opposite of what ever direction the chain pull the freewheel.

If you were taking a picture of yourself, would you be that filthy? Clean up next time... <grin>
From the looks of that freewheel it's not coming off with an improvised tool and going to give a good fight with the correct tool bolted in.
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Old 07-18-20, 06:30 PM
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****** that thing down with penetrating oil while you order a $10 sun tour 4 prong freewheel tool. Then like said above put the tool in a vice, insert it into that freewheel than turn the rim by hand. Should pop no problem.

Looks like you need a part FR3 or equivalent

https://www.sheldonbrown.com/freewheels.html

Too funny. The nanny filter triggered on a word that rhymes with sluice. Content is everything.
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Old 07-18-20, 06:55 PM
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Originally Posted by Iride01 View Post
If you were taking a picture of yourself, would you be that filthy? Clean up next time... <grin>
Lol, fair... in my defense, this bike was a garage sale freebie that a friend picked up for his girlfriend. I volunteered to take a look to see if I could do anything with it before taking it to a shop.

Thanks for the input, everyone!
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Old 07-19-20, 01:15 PM
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Originally Posted by Greiselman View Post
Lol, fair... in my defense, this bike was a garage sale freebie that a friend picked up for his girlfriend. I volunteered to take a look to see if I could do anything with it before taking it to a shop.

Thanks for the input, everyone!
Honestly, the cogs do not look worn. Is it freewheeling at all? It might just need some lubrication, which you can do by running some heavy oil into the slot between the fixed and turning portions of the freewheel. Apply a bead of oil, spin the freewheel to pull the oil inside, repeat. This works even if it feels graunchy at first.

Wipe off the excess oil, put on a new chain, go ride.
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Old 07-19-20, 02:56 PM
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^^^^^ This. AS well as run a wire brush over it and maybe a WD 40 flush before oiling.
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