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Hub confusion...

Old 01-23-08, 10:18 AM
  #1  
HandsomeRyan
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Hub confusion...

I'm trying to figure out what type of hub I have on my 1994 Schwinn CrissCross. I read Sheldon Brown's website but it offered so much info I think I'm more confused now than I was when I started. As I understand it there are 2 main types of hubs that my bike could possibly have- A cassette hub or a multi-speed freewheel hub. The cassette hub will have splines vs. the freewheel hub that will be threaded. From: https://sheldonbrown.com/k7.html

In the pictures on his website I can plainly see the difference but on my bike, with the gears still on the hub, I'm not sure which type I have. A helpful BF.netter was able to link me to the 'stats' about my bike but it might as well be written in russian since I don't know what I'm looking at. The hub is listed as a Hypergear 7 speed if that means anything? Full stats @ https://www.trfindley.com/flschwinn_1..._Sport_23.html (right-most column)

What am I looking for when taking the complete rear wheel off to determmine which type of hub I have?

Thanks in advance.
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Old 01-23-08, 12:03 PM
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if you posted a pic it would help.
I would suggest you take it to a local bike shop. They will tell you what you have and either remove it for you or sell you the correct tool
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Old 01-23-08, 12:07 PM
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Originally Posted by HandsomeRyan View Post
I'm trying to figure out what type of hub I have on my 1994 Schwinn CrissCross. I read Sheldon Brown's website but it offered so much info I think I'm more confused now than I was when I started. As I understand it there are 2 main types of hubs that my bike could possibly have- A cassette hub or a multi-speed freewheel hub. The cassette hub will have splines vs. the freewheel hub that will be threaded. From: https://sheldonbrown.com/k7.html

In the pictures on his website I can plainly see the difference but on my bike, with the gears still on the hub, I'm not sure which type I have.
Sorry you didn't find the right page. The page that is devoted to answering this question is https://sheldonbrown.com/free-k7

Originally Posted by HandsomeRyan View Post
A helpful BF.netter was able to link me to the 'stats' about my bike but it might as well be written in russian since I don't know what I'm looking at. The hub is listed as a Hypergear 7 speed if that means anything? Full stats @ https://www.trfindley.com/flschwinn_1..._Sport_23.html (right-most column)

What am I looking for when taking the complete rear wheel off to determmine which type of hub I have?
That's a cassette Freehub, but an off-brand, not genuine Shimano. Most likely interchangeable with Shimano though.

Sheldon "K7" Brown
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Old 01-23-08, 12:12 PM
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The catalog listing is a bit ambiguous. By 1994 most new bikes, particularly higher quality ones, came with cassettes and freehubs but "Hypergear" isn't a trademark I'm familiar with and yours may still have a freewheel. Some low-line bikes still use them. In the Schwinn catalog page you reference the models that use cassettes are specifically listed as having "Shimano HG50 cassettes" and yours isn't so I wouldn't be surprised if it's a freewheel.

Sorry for the "maybe" reply but I recommend you take the bike, or at least the wheel, to an experienced rider or bike shop for a definitive answer.
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Old 01-23-08, 01:38 PM
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Thanks to everyone who replied for their help. I don't know how I missed that webpage about how to tell the difference between the two types but it was very helpful.
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Old 01-23-08, 01:50 PM
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Originally Posted by HillRider View Post
The catalog listing is a bit ambiguous. By 1994 most new bikes, particularly higher quality ones, came with cassettes and freehubs but "Hypergear" isn't a trademark I'm familiar with and yours may still have a freewheel. Some low-line bikes still use them. In the Schwinn catalog page you reference the models that use cassettes are specifically listed as having "Shimano HG50 cassettes" and yours isn't so I wouldn't be surprised if it's a freewheel.
It's listed as 12-28. This is a VERY common cassette, but I have never heard of a freewheel in those sizes.

Old Regina and a very few Sun Tour freewheels were available with 12 tooth sprockets, but 12s are super uncommon in freewheels. No way Schwinn would have spec'ed such a freewheel.

Sheldon "Douze" Brown
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Old 01-23-08, 02:44 PM
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Originally Posted by Sheldon Brown View Post
It's listed as 12-28. This is a VERY common cassette, but I have never heard of a freewheel in those sizes.

Old Regina and a very few Sun Tour freewheels were available with 12 tooth sprockets, but 12s are super uncommon in freewheels. No way Schwinn would have spec'ed such a freewheel.

Sheldon "Douze" Brown
Very good information. From Schwinn's description it wasn't clear to me what he had but that's a good way to tell.
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