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How to clean this bike cassette?
Posted by: space-time
Date: July 09, 2020 07:39PM
my old bicycle was storred in an uninsulated attic for some years and now my son is old enough to ride it. This is what the cassette looks like. It bothers me how it looks, it would probably ride fine once I lube it and adjust it.

So if I take the wheel off, my friend has a tool to open the cassette and I could clean each gear individually, but how? Also it's interesting that some gears are worse than others. Perhaps different different production batches.

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Re: How to clean this bike cassette?
Posted by: space-time
Date: July 09, 2020 07:46PM
or maybe I just spend $28 and get a new one, but I am not sure if this is the correct size

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Re: How to clean this bike cassette?
Posted by: mattkime
Date: July 09, 2020 07:46PM
Just lube it and ride. Decide if it’s worth it after putting some miles on it



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Re: How to clean this bike cassette?
Posted by: mattkime
Date: July 09, 2020 07:47PM
Or post photos of the rest of the bike



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Re: How to clean this bike cassette?
Posted by: NewtonMP2100
Date: July 09, 2020 07:49PM
Quote
mattkime
Just lube it and ride.


....that's what she said.....!!!



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Re: How to clean this bike cassette?
Posted by: Rolando
Date: July 09, 2020 07:52PM
Quote
NewtonMP2100
Quote
mattkime
Just lube it and ride.


....that's what she said.....!!!
smiley-laughing001



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Re: How to clean this bike cassette?
Posted by: Carm
Date: July 09, 2020 07:59PM
Hoagies and grinders, hoagies and Grinders, navy beans, navy beans, meatloaf sandwich.....

Take apart, grind/sand. Primer and paint.
Total cost ~ 15-20 primer/paint/sandpaper.
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Re: How to clean this bike cassette?
Posted by: Racer X
Date: July 09, 2020 08:05PM
That some sort of Tourette's?



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Re: How to clean this bike cassette?
Posted by: space-time
Date: July 09, 2020 08:09PM
Quote
mattkime
Or post photos of the rest of the bike





Edited 2 time(s). Last edit at 07/09/2020 09:23PM by space-time.
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Re: How to clean this bike cassette?
Posted by: space-time
Date: July 09, 2020 08:11PM
I think this is the bike, not sure about the year but 2002 is about right. Could be 2003?

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Re: How to clean this bike cassette?
Posted by: NewtonMP2100
Date: July 09, 2020 08:14PM
....can you post pics of the rest of the house.....???



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Re: How to clean this bike cassette?
Posted by: Racer X
Date: July 09, 2020 08:31PM
And any 2 legged females living there?



********************************************
The police have no duty to respond. See Castle Rock v. Gonzales, 545 U.S. 748 (2005) or Warren v. District of Columbia[1] (444 A.2d. 1, D.C. Ct. of Ap. 1981)
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Re: How to clean this bike cassette?
Posted by: M A V I C
Date: July 09, 2020 08:57PM
I wanted to like what mattkime said, but this isn't Facebook. So I'll have to stick with "what he said".




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Re: How to clean this bike cassette?
Posted by: Racer X
Date: July 09, 2020 09:00PM
Is that a common Raleigh color? My 1981? is the same green leaning to bronze.



********************************************
The police have no duty to respond. See Castle Rock v. Gonzales, 545 U.S. 748 (2005) or Warren v. District of Columbia[1] (444 A.2d. 1, D.C. Ct. of Ap. 1981)
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Re: How to clean this bike cassette?
Posted by: M A V I C
Date: July 09, 2020 09:02PM
Quote
Racer X
Is that a common Raleigh color? My 1981? is the same green leaning to bronze.

Rust is a pretty common color for older bikes.




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Re: How to clean this bike cassette?
Posted by: Racer X
Date: July 09, 2020 09:04PM
not on aluminum alloy!



********************************************
The police have no duty to respond. See Castle Rock v. Gonzales, 545 U.S. 748 (2005) or Warren v. District of Columbia[1] (444 A.2d. 1, D.C. Ct. of Ap. 1981)
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Re: How to clean this bike cassette?
Posted by: decay
Date: July 09, 2020 09:37PM
TIL that is called a cassette.



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Re: How to clean this bike cassette?
Posted by: davester
Date: July 09, 2020 09:42PM
It's rust not dirt. Go to the hardware store and get some Evaporust. After you treat it, make sure that you oil the chain.



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Re: How to clean this bike cassette?
Posted by: Buzz
Date: July 09, 2020 10:23PM
Naval Jelly.

I'd disassemble the cassette, and put the cogs in the naval jelly for about 15 minutes, then power wash 'em off, and see what you're left with. Then, depending on the results, I'd give it another 5 to 10 minute treatment. That stuff is gonna take the rust, and the paint, off. Next comes the Dremel w/ the wire brush attachment, followed by another good spritz of water, or you can put 'em in a sealed container w/ some seltzer/soda water, and give it a god shake to clean the cogs. If you want to repaint the cogs, now's the time to do so, if not, they'll need a coat of gear grease. Put the cassette back together following in reverse, the pictures you took along the way. Put it back on the wheel, and the wheel back in the frame, and ride, Sally, ride!

And don't use navel jelly by mistake.
==
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Re: How to clean this bike cassette?
Posted by: Filliam H. Muffman
Date: July 09, 2020 11:31PM
If you have washing soda/sodium carbonate, steel wool (not stainless), and a variable DC power supply, you don't need naval jelly. 2 Tbsp soda per quart of water, hook the cassette up to negative, steel wool to positive, and run about 10 V.



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Re: How to clean this bike cassette?
Posted by: jdc
Date: July 10, 2020 12:03AM
SOS pad works to remove rust -- should take it right off... or at least 98%.

However its all just surface rust, on parts where the chain doesnt go, so as is it wont affect performance.



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Edited 999 time(s). Last edit at 12:08PM by jdc.
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Re: How to clean this bike cassette?
Posted by: davester
Date: July 10, 2020 12:05PM
Quote
Buzz
Naval Jelly.
==

This stuff is pretty corrosive. Evaporust is not only much safer to use but it won't damage the parts and paint like naval jelly will.



"In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion." (1987) -- Carl Sagan
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Re: How to clean this bike cassette?
Posted by: NewtonMP2100
Date: July 10, 2020 12:10PM
....how does one clean a tape cassette.....???



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Re: How to clean this bike cassette?
Posted by: vitus
Date: July 10, 2020 06:37PM
Looking at wear patterns, I would suggest you check for chain stretch. Likely the best path is to just replace both the cassette and chain. Check chainrings for unusual tooth wear as well. Probably need to repack all bearings.

If the bearings are OK, lube the chain and ride, Chain and cassette are already shot anyway,

On a safety note, brake cables need to be checked for rust. Brake pads may be hardened and glazed.
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