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    Hyperglide cassette cog/ Uniglide cassette body: Compatible?

    Okay.......I did some googlin' and it seems as what I'm reading is that with some simple modification I can use Hyper cogs on a Uni cassette body provided I use the original/first locking Uni cog to complete the cassette.??? I just wanna make sure I'm understanding correctly before I make this purchase I have no use for.

    Thank you!

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    Constant tinkerer FastJake's Avatar
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    Kind of. Depends what you call a simple modification. According to Sheldon:

    Uniglide cassettes are no longer available. If you have a hub that only uses Uniglide cassettes, the best thing to do is to upgrade the hub by transplanting a Hyperglide body onto it.

    Alternatively, you can fit Hyperglide sprockets onto a Uniglide body by grinding or filing off the one wide spline. This is not particularly difficult. You'll still need a threaded Uniglide sprocket for the top-gear position.
    However, if you actually have a Hyperglide body that is Uniglide compatible (instead of a straight Uniglide Freehub) you can put a whole Hyperglide cassette on without issue. Although you might not be able to use an 11T sprocket.
    Why "derailer" is the correct way to spell the gear-change mechanism: sheldonbrown.com/derailer.html

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    Quote Originally Posted by FastJake View Post
    Kind of. Depends what you call a simple modification. According to Sheldon:

    However, if you actually have a Hyperglide body that is Uniglide compatible (instead of a straight Uniglide Freehub) you can put a whole Hyperglide cassette on without issue. Although you might not be able to use an 11T sprocket.
    Oh hey....thanks for the fast reply!

    Yeah, I read that article like 30 min's ago. That and some others.........which is why I'm posting now....hehe.

    I have the opportunity to acquire a wheelset with a Uniglide 6spd cassette body. I'm sure I'd rebuild the wheel in the future, but for now, if I were to acquire the wheelset, I'm trying to determine if I can make it workable immediately........ie, regear the cassette with some Hyperglide cogs I already have. I don't see grinding as being a difficult modification and I would have the threaded sprocket.

    As far as having a Hyperglide body that's Uniglide comptabile, I don't know for sure. I'd have to know what makes that possible and be able to identify what I have. I have several HG freehub bodies ranging from late 80's to early/mid 90's. So, if one were to be compatible, then what do I do? I've never had one apart. Does this mean I wouldn't have to rebuild the wheel I'm interested in buying and the hub body comes off the hub? And, then I could swap out the UG for the HG?

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    Constant tinkerer FastJake's Avatar
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    Quote Originally Posted by thook View Post
    I have the opportunity to acquire a wheelset with a Uniglide 6spd cassette body.
    It's not a Dura Ace hub is it? I almost made the mistake of buying one of those. Dura Ace Uniglide hubs use a smaller threading for the final sprocket, so you cannot just thread on any old Uniglide cog. Also, the Freehub bodies of those old Dura Ace UG hubs are not compatible with anything else. You cannot put a modern HG Freehub body on. See: http://www.sheldonbrown.com/dura-ace.html#hubs

    Quote Originally Posted by thook View Post
    As far as having a Hyperglide body that's Uniglide comptabile, I don't know for sure. I'd have to know what makes that possible and be able to identify what I have. I have several HG freehub bodies ranging from late 80's to early/mid 90's. So, if one were to be compatible, then what do I do? I've never had one apart. Does this mean I wouldn't have to rebuild the wheel I'm interested in buying and the hub body comes off the hub? And, then I could swap out the UG for the HG?
    This will show you the difference between a UG body, a HG body, and a UG compatible HG body: http://www.sheldonbrown.com/k7.html#uniglide

    If it is not a Dura Ace hub, virtually any Freehub body will swap on without much hassle. I've done this a few times to go from 7 to 8/9/10 speed and it's always gone well. How to transplant a body: http://www.sheldonbrown.com/k7.html#transplant
    Why "derailer" is the correct way to spell the gear-change mechanism: sheldonbrown.com/derailer.html

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    I really appreciate your help, man. May I contact you privately over this matter showing you what I'm looking at?

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    Constant tinkerer FastJake's Avatar
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    Yeah you could do that. I'm always glad to help. But no harm posting it here for everyone to see. Do as you wish.
    Why "derailer" is the correct way to spell the gear-change mechanism: sheldonbrown.com/derailer.html

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    Okay, then.........if you say so.

    The wheelset is on ebay. At the moment, my computer has lost the ability to right click so I can't post the link c/p. I'll have to type it out and see if it works.........

    http://cgi.ebay.com/ws/eBayISAPI.dll...m=180651164374
    Last edited by thook; 04-10-11 at 10:46 PM.

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    Okay.......doesn't work. Well, if you'd be kind enough to go and look, the auction on ebay is for a 700c set of Araya's with Uniglide cassette. It's a buy it now or bid type thing. The seller makes no mention of it being a Dura Ace component, though. Maybe you could look at it and tell?

    I've been waiting for a wheelset like this for nearly a year to come around at a good deal. One of my old bikes has a Uniglide 5spd, but it's more or less shot and its on 27" wheels for whatever reason. Meh....I want 700c's and more than 5spd's.......what can I say?

    Anyway, don't anyone jump on this before I can....lol!

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    Constant tinkerer FastJake's Avatar
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    Ah I see. Older than I thought. That's one of the first Uniglide hubs: http://www.sheldonbrown.com/k7.html#transplant Scroll allllll the way down to "Early Uniglide: 1970s-early '80s"

    I'm suggesting Do Not Buy unless you want to use the wheelset as-is, or you plan to rebuild the wheel with a completely different hub. You cannot put a new HG/UG Freehub body on that old hub.
    Why "derailer" is the correct way to spell the gear-change mechanism: sheldonbrown.com/derailer.html

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    Senior Member DannoXYZ's Avatar
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    The only way you can use Hyperglide on that eBay wheelset is to stick with the 6-spd Uniglide body. There are no Hyperglide bodies that will fit on that hub. You can go up to 7-spd using 8/9/10-spd spacing, but that's it. Do the usual procedure of grinding off the wider tab on the Hyperglide cogs. And yes, you have to use the Uniglide top-cog to lock the stack down.

    I like those Araya rims, still have a wheel around from the '80s with that rim.
    Last edited by DannoXYZ; 04-10-11 at 11:59 PM.

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    Fantastic! Thanks, fellas. The old Shimano stuff is new territory to me. I've always used Suntour, so that's why asked. I read things, and if it doesn't entirely make sense or I'm unsure, I ask the pro's.

    Thanks again! I like the rims, too.

    OH!........and, so you're saying I can make this six body UG body go 7spd by changing the spacing? The seller says he tried a 7spd set up but it wouldn't fit. Likely, then, he didn't use the 7spd spacing?
    Last edited by thook; 04-11-11 at 11:52 AM. Reason: additional question

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    Once again.........thanks for the replies, gentlemen. I got the wheels. Ooooo.......can't wait until they're in my hands.

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    Constant tinkerer FastJake's Avatar
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    Quote Originally Posted by thook View Post
    you're saying I can make this six body UG body go 7spd by changing the spacing? The seller says he tried a 7spd set up but it wouldn't fit. Likely, then, he didn't use the 7spd spacing?
    Not exactly. You'll have to use 8/9/10 speed spacing (most likely 9) to fit 7 speeds on your 6 speed hub. If you go this route you'll also need 9 speed shifters unless you just run it friction. See related: http://www.sheldonbrown.com/k7.html#up7 Read the section slightly below titled "8 of 9 on 7 -- or 9 of 10 on 7"

    The way you fit more cogs on a hub than it was designed for is to use narrower spacing. Oh, you'll also need a 9S chain if you run 9S spacing.
    Why "derailer" is the correct way to spell the gear-change mechanism: sheldonbrown.com/derailer.html

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    the simple way to do what you want to do is to replace the uniglide body with a hyperglide body.

    you need a 11mm hex socket or wrench. just remove the axle from the hub and the bearings. the hyperglide body is attached to the hub shell with a fancy hollow 11mm bolt. see sheldon's site for uniglide info. 7,8.9,10 speed shimano compatible hyperglide freehub bodies can be purchased from many online bike shops. i buy mine at jensonusa. 7 speeds are about 15 plus shipping. or you can spend up to 650 for a titanium one.

    then just buy a hyperglide cassete of you choice. they usually come with hyperglide lockring.

    good luck,
    huey

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    Quote Originally Posted by FastJake View Post
    Not exactly. You'll have to use 8/9/10 speed spacing (most likely 9) to fit 7 speeds on your 6 speed hub. If you go this route you'll also need 9 speed shifters unless you just run it friction. See related: http://www.sheldonbrown.com/k7.html#up7 Read the section slightly below titled "8 of 9 on 7 -- or 9 of 10 on 7"

    The way you fit more cogs on a hub than it was designed for is to use narrower spacing. Oh, you'll also need a 9S chain if you run 9S spacing.
    I'll be running friction shifters, yes. And, thank you for that info.

    Honestly, I really hadn't given it a whole lot of thought as to upgrading to a 7spd. I mean, I gave it thought, but wasn't/am not totally set on it. Hell......let's just say it was a consideration. Anyway, Sheldon says to upgrade a 7spd to an 8spd, to use the sprockets and spacers from a 9spd. So, is the 6spd hub body really that short that I'd need to use 9spd equipment? Hmmm......either way, I'd have to buy a new cassette to be able to do this. All I have currently is 7spd cassettes. On top of that, I'd have to get the requisite chain. Yeah......costly upgrade for not a lot of gain, huh? Might just have to half step it with a granny to get some more/better gearing. That or simply run a good, super compact double.

    So, the smallest cog on this UG cassette is 13. I'd have to use for any set up on this hub body, right? What with it being the locking ring and all. Then, I could run say 13-15-17-20-23-28 with a 45/30 crankset. Not a lot of top end, but I'm not racing....hehe. Anyway, that's no more than about 20% jumps and no less than 13%......'bout even all around except on the low.. On 700cx28 tires, that's around 93in's on top and 29 on the bottom without much replication. That oughtta get me around the hills pretty good, wouldn't you say? On the other hand, maybe a 50/34 would be better. I don't know......hehe. I guess I'll see when I get there.
    Last edited by thook; 04-13-11 at 11:41 PM.

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    Quote Originally Posted by hueyhoolihan View Post
    the simple way to do what you want to do is to replace the uniglide body with a hyperglide body.

    you need a 11mm hex socket or wrench. just remove the axle from the hub and the bearings. the hyperglide body is attached to the hub shell with a fancy hollow 11mm bolt. see sheldon's site for uniglide info. 7,8.9,10 speed shimano compatible hyperglide freehub bodies can be purchased from many online bike shops. i buy mine at jensonusa. 7 speeds are about 15 plus shipping. or you can spend up to 650 for a titanium one.

    then just buy a hyperglide cassete of you choice. they usually come with hyperglide lockring.

    good luck,
    huey
    Thanks, Huey. But, as the gentlemen pointed out above, this wheelset I've acquired has the original/first design of the UG freehubs. The HG bodies won't work on it....pfth.

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    the freehubs are removable. i just suggested removing it and replacing it with a hyperglide freehub. i'm talking about the freehub not the cassette. see sheldon. it's all there.

    huey

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    Quote Originally Posted by hueyhoolihan View Post
    the freehubs are removable. i just suggested removing it and replacing it with a hyperglide freehub. i'm talking about the freehub not the cassette. see sheldon. it's all there.

    huey
    I appreciate the reply and the suggestion, Huey........really. And, I know you were talking about the hub itself. But, according to the posting above....

    Quote Originally Posted by DannoXYZ View Post
    The only way you can use Hyperglide on that eBay wheelset is to stick with the 6-spd Uniglide body. There are no Hyperglide bodies that will fit on that hub. You can go up to 7-spd using 8/9/10-spd spacing, but that's it. Do the usual procedure of grinding off the wider tab on the Hyperglide cogs. And yes, you have to use the Uniglide top-cog to lock the stack down.
    ......I have to stick with the UG hub body. And, I did read Sheldon's pages.....every bit. Here.....

    "Body Transplantation.
    Virtually all Shimano Freehub bodies are interchangeable. The exceptions are:
    Very early Freehubs (sometimes identifiable by the absence of the typical bulge on the right end of the hub barrel) which have non-interchangeable bodies. The Freehub body of these hubs is held on only by the axle bearings, and will slip off once the axle is removed"


    Link/article on very early freehubs:http://www.sheldonbrown.com/k7.html#uniglide-old

    So, have I misunderstood something? Believe me, I'm not being flippant or anything. I'd seriously make the swap if it were actually possible.????

  19. #19
    Senior Member DannoXYZ's Avatar
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    thook, you have it right, don't let the ignorant and arrogant misinform you.
    Quote Originally Posted by hueyhoolihan View Post
    the simple way to do what you want to do is to replace the uniglide body with a hyperglide body.

    you need a 11mm hex socket or wrench. just remove the axle from the hub and the bearings. the hyperglide body is attached to the hub shell with a fancy hollow 11mm bolt. see sheldon's site for uniglide info. 7,8.9,10 speed shimano compatible hyperglide freehub bodies can be purchased from many online bike shops. i buy mine at jensonusa. 7 speeds are about 15 plus shipping. or you can spend up to 650 for a titanium one.

    then just buy a hyperglide cassete of you choice. they usually come with hyperglide lockring.

    good luck,
    huey
    Quote Originally Posted by hueyhoolihan View Post
    the freehubs are removable. i just suggested removing it and replacing it with a hyperglide freehub. i'm talking about the freehub not the cassette. see sheldon. it's all there.

    huey
    You obviously have not been wrenching on bikes since 1979 and have no idea what the 1st-generation freehubs look like. The hub shells DO NOT have any threads in them. The freehubs ARE NOT held on by a hollow bolt. They are held on by the axle-cones at the end of the axle. Here's a picture:


    http://www.sheldonbrown.com/images/uniglide-oldhub.jpg


    http://www.sheldonbrown.com/images/uniglide-oldbody.jpg

    You may want to review the Sheldon Brown links in post #4.
    Last edited by DannoXYZ; 04-14-11 at 06:13 PM.

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    Whoa, now! Everything's cool, man. Let's chill. No one's gettin' shot or anything. Everyone's entitled to be misinformed/incorrect here and there. Dude's well intentioned, seems to me. Arrogance is being unwilling to admit you might be wrong. He's not had the chance to say one way or the other.

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    you are right sir!! i just never saw such an old shimano uniglide hub before...

    as maxwell smart says: sorry about that chief.

    huey

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    Haha.....I was gonna quote you and ask a question, Danno, but funny thing happened.....the quoted text didn't match what I'd read and was gonna ask about. You mentioned originally something about 600AX and Dura Ace (something) freehubs. Is 600AX what I've just acquired or something?

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    Quote Originally Posted by hueyhoolihan View Post
    you are right sir!! i just never saw such an old shimano uniglide hub before...

    as maxwell smart says: sorry about that chief.

    huey
    No need to be sorry, man. Now, if someone got shot.....well, then yeah.

    My eyes bugged outta their sockets when I saw the set. Not the most practicle acquisition, but I have a fetish for rarity. Especially when it's a good deal.

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    yeah, i just bought a set of shimano 600 hubs with a uniglide freehub body. i wanted a 126mm spacing rear hub and the only ones i could find had uniglide freehubs on them. so swapped the uniglide freehub out and installed a hyperglide one.

    i now have 11-28 hyperglide casette on there. works great.

    btw, those are nice rims. i have a set in 27x1. the red labels apparently last a long time, mine look good too.

    huey

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    Do you have a 600 groupset, too? A friend of mine has the groupset with hubs and all on his old Pinarello. Nice stuff! And, good for you! You must have some stong'ish legs pushing an 11t gear. Of course, I suppose that depends on your crankset, but I assume it's a road bike. What....like a 50t or 52t on top?

    Araya made good rims, no doubt. My neighbor has a set on her old Trek same size as yours......with Maillard helicomatic hubs. Meh! They still work apparently, though.

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