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Old 07-29-07, 04:21 PM   #1
solveg
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Can I use a 7 speed Uniglide cassette?

Can I use a 7 speed threaded Uniglide cassette on my existing hub, which has a 6 speed threaded uniglide cassette? It looks like there's room. The 7 speed takes a UG or thin chain.

http://cgi.ebay.com/Rare-Shimano-7-S...QQcmdZViewItem
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Old 07-29-07, 05:21 PM   #2
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I believe there were a couple different models of freehubs, one that would take a 6/7 speed without trouble (FH1051, I think is the part number), and one that would only do 6 speed (FH1050, maybe?). At worst, (I think) it'd only require swapping out the freehub body. (Harris Cyclery has some available for $20, pn. FW8946.)
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Old 07-29-07, 06:46 PM   #3
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Quote:
Originally Posted by the royal 'we' View Post
(Harris Cyclery has some available for $20, pn. FW8946.)
I don't think those are uniglide compatable. It say's it's STX-RC which means no threads and it says it's 11 tooth compatible.

Solveg,

You're going to have to make sure your's is 7 speed compatible or you will be looking for a used 7 speed uniglide freehub. I recommend updating to the hyperglide freehub (the one suggested above) and a new 7 speed HG cassette.
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Old 07-30-07, 12:18 AM   #4
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You might want to post this in the Mechanic's forum.
Sheldon hangs around there from time to time.

From this link-
http://sheldonbrown.com/k7.html#uniglide
"Spacer washers would fit between each pair of sprockets. 5- and 6-speeds used 3.65 mm spacers, 7-speed generally 3.1 mm...."
So a 6 speed would use 5? spacers @ 3.65 or 18.25MM worth?
A 7 speed would use 6? spacers @ 3.1 or 18.6MM worth?
I guess it depends if you have enough room for the thickness of 1 more cog? (2.35mm?)
Sorry I can't give you a firm answer.
This is friction shifting?
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Old 07-30-07, 12:45 AM   #5
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Yes, It's friction shifting. Thanks for the effort, guys. I'll see what the mechanics say... I'm pretty confused now.
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