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-   -   7 speed Uniglide swap for 8 speed freehub body??? (https://www.bikeforums.net/bicycle-mechanics/554905-7-speed-uniglide-swap-8-speed-freehub-body.html)

skaur999 06-23-09 08:22 PM

7 speed Uniglide swap for 8 speed freehub body???
 
Alright! So I have a Shimano 600 hub with a 7 speed Uniglide FHB for which you need the two chainwhips to remove the locking cog. It's not hyperglide compatible and I want to know if it's possible to put a more current 8 speed Hyperglide Freehub body on that 600 hub. I'm aware that there are possible compatibility issues with the mounts on the hub. Thanks for any info!

dabac 06-24-09 01:14 AM


Originally Posted by skaur999 (Post 9155034)
Alright! So I have a Shimano 600 hub with a 7 speed Uniglide .. and I want to know if it's possible to put a more current 8 speed Hyperglide Freehub body on that 600 hub.

Pull the axle, look into the hole from the cassette side. If there's a hollow bolt down there that can be unscrewed with a large Allen key you're good to go. If it isn't, your idea is doomed.

Ex Pres 06-24-09 07:58 AM

Yes, I've done it. 10mm allen wrench is all that's needed to change out the body. The cones on the body end of the axle IIRC were slightly different, too, but I don't remember exactly how. I took the 8s body from a trashed hub so I had any other parts I needed.

dabac 06-24-09 08:43 AM


Originally Posted by Bob Barker (Post 9156863)
.. The cones on the body end of the axle IIRC were slightly different, too, but I don't remember exactly how.

The ball bearing bit is the same, it's how the cone and spacer stack meets up towards the pressed in seal in the body that's different.


Originally Posted by Bob Barker (Post 9156863)
...I took the 8s body from a trashed hub so I had any other parts I needed.

which is an excellent way of doing this swap while retaining the original degree of weather proofing. Merely getting a new body from somewhere tends to leave you a bit short in this area.

skaur999 06-27-09 09:41 PM

Thanks y'all.


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