Hyperglide cassette on Hyperglide-C freehub body
I've got a worn 7-speed Hyperglide-C cassette that was used on a
Hyperglide-C style freehub body, where the splines don't quite go all the way to the outer edge of the freehub body. I'd like to replace it with a cassette from a bike that I recently found in a dumpster. That cassette is a Hyperglide unit, found mounted on an older Hyperglide freehub body where the splines do go all the way to the edge. The problem is that the smallest cog has no splines to engage. Sheldon Brown explains (http://www.sheldonbrown.com/k7.html) how one can add a 1mm spacer to use a Hyperglide-C cassette on the older Hyperglide body. Since I want to do the opposite (Hyperglide cassette on Hyperglide-C body), it seems like a -1 mm spacer would be required. Those don't exist of course, but it happens that my cassette already has some spacers. If I replace the existing spacers with one fewer mm worth of spacers, will that work? Thanks, Stephen Greenwood |
Hyperglide cassette on Hyperglide-C freehub body
"Stephen Greenwood" wrote in message ups.com... I've got a worn 7-speed Hyperglide-C cassette that was used on a Hyperglide-C style freehub body, where the splines don't quite go all the way to the outer edge of the freehub body. I'd like to replace it with a cassette from a bike that I recently found in a dumpster. That cassette is a Hyperglide unit, found mounted on an older Hyperglide freehub body where the splines do go all the way to the edge. The problem is that the smallest cog has no splines to engage. Sheldon Brown explains (http://www.sheldonbrown.com/k7.html) how one can add a 1mm spacer to use a Hyperglide-C cassette on the older Hyperglide body. Since I want to do the opposite (Hyperglide cassette on Hyperglide-C body), it seems like a -1 mm spacer would be required. Those don't exist of course, but it happens that my cassette already has some spacers. If I replace the existing spacers with one fewer mm worth of spacers, will that work? Thanks, Stephen Greenwood I don't know anything about these components but if all you need is a 1mil spacer then: http://www.cyclebasket.com/products.php?plid=m9b0s318p0 Delivery from this place is £6.50 no matter what you buy so you might want to bulk up the order with tubes and cables. Hope this helps. |
Hyperglide.... post Script
"John Ampleforth" wrote in message ... "Stephen Greenwood" wrote in message ups.com... I've got a worn 7-speed Hyperglide-C cassette that was used on a Hyperglide-C style freehub body, where the splines don't quite go all the way to the outer edge of the freehub body. I'd like to replace it with a cassette from a bike that I recently found in a dumpster. That cassette is a Hyperglide unit, found mounted on an older Hyperglide freehub body where the splines do go all the way to the edge. The problem is that the smallest cog has no splines to engage. Sheldon Brown explains (http://www.sheldonbrown.com/k7.html) how one can add a 1mm spacer to use a Hyperglide-C cassette on the older Hyperglide body. Since I want to do the opposite (Hyperglide cassette on Hyperglide-C body), it seems like a -1 mm spacer would be required. Those don't exist of course, but it happens that my cassette already has some spacers. If I replace the existing spacers with one fewer mm worth of spacers, will that work? Thanks, Stephen Greenwood I don't know anything about these components but if all you need is a 1mil spacer then: http://www.cyclebasket.com/products.php?plid=m9b0s318p0 Delivery from this place is £6.50 no matter what you buy so you might want to bulk up the order with tubes and cables. Hope this helps. P.S. I'm sure that you can get 1mm spacers from picking apart certain cassettes (i'm sure i got some out of a 5 speed once). |
Hyperglide cassette on Hyperglide-C freehub body
Quoth Stephen Greenwood:
I've got a worn 7-speed Hyperglide-C cassette that was used on a Hyperglide-C style freehub body, where the splines don't quite go all the way to the outer edge of the freehub body. I'd like to replace it with a cassette from a bike that I recently found in a dumpster. That cassette is a Hyperglide unit, found mounted on an older Hyperglide freehub body where the splines do go all the way to the edge. The problem is that the smallest cog has no splines to engage.SheldonBrownexplains (http://www.sheldonbrown.com/k7.html) how one can add a 1mm spacer to use a Hyperglide-C cassette on the older Hyperglide body. Since I want to do the opposite (Hyperglide cassette on Hyperglide-C body), it seems like a -1 mm spacer would be required. Those don't exist of course, but it happens that my cassette already has some spacers. If I replace the existing spacers with one fewer mm worth of spacers, will that work? The smallest sprocket has to have a built-in spacer, and there should be splines in the spacer. Sure it isn't an 8-speed cassette you're trying to put onto a 7-speed body? Sheldon "K7" Brown Harris Cyclery, West Newton, Massachusetts +---------------------------------------------------------+ | The Law, in its majestic equality, forbids the rich, | | as well as the poor, to sleep under the bridges, | | to beg in the streets, and to steal bread. | | --Anatole France | +---------------------------------------------------------+ Phone 617-244-9772 FAX 617-244-1041 http://harriscyclery.com Hard-to-find parts shipped Worldwide http://captainbike.com http://sheldonbrown.com |
Hyperglide cassette on Hyperglide-C freehub body
On Feb 1, 9:31 am, "Sheldon Brown" wrote:
snip The smallest sprocket has to have a built-in spacer, and there should be splines in the spacer. Sure it isn't an 8-speed cassette you're trying to put onto a 7-speed body? Sheldon "K7" Brown I see I chose poor wording when I said "The problem is that the smallest cog has no splines to engage." It is indeed a 7-speed Hyperglide, and the number and the spacing of the cogs is identical to those on my 1993-vintage 7-speed Hyperglide-C cassette. The smallest cog does have a built-in spacer with splines in it. What I meant was that the Hyperglide-C freehub body, with its splines that don't go all the way to the edge of the body, don't come up far enough to engage the smallest cog's splines. This is what makes me think reducing the spacers by 1 mm might work. I already tried removing one of the 2-mm spacers, but it appears that that allows the lockring to screw in too far. The result was that the freehub became difficult to turn, before the cogs were tightly screwed down. I don't have a 1 mm to try, and I anticipate having trouble getting one from any of the local bike shops. Thanks for your advice and for the time you've spent on your web pages. Stephen Greenwood |
Hyperglide cassette on Hyperglide-C freehub body
On Jan 31, 11:28 pm, "Stephen Greenwood"
wrote: I've got a worn 7-speed Hyperglide-C cassette that was used on a Hyperglide-C style freehub body, where the splines don't quite go all the way to the outer edge of the freehub body. I'd like to replace it with a cassette from a bike that I recently found in a dumpster. That cassette is a Hyperglide unit, found mounted on an older Hyperglide freehub body where the splines do go all the way to the edge. The problem is that the smallest cog has no splines to engage. Sheldon Brown explains (http://www.sheldonbrown.com/k7.html) how one can add a 1mm spacer to use a Hyperglide-C cassette on the older Hyperglide body. Since I want to do the opposite (Hyperglide cassette on Hyperglide-C body), it seems like a -1 mm spacer would be required. Those don't exist of course, but it happens that my cassette already has some spacers. If I replace the existing spacers with one fewer mm worth of spacers, will that work? Thanks, Stephen Greenwood For the benefit of archive-searchers, the answer is yes. I finally obtained the proper spacer and tried it. |
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