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After some advice from you technically minded folk. I have an old 26" rear Stans wheel with magura comp hub but the freewheel has been trashed. I'd like to convert it to a singlespeed hub. Is that possible to do without replacing the hub (i.e. is there a SS freewheel which would be compatible) or do I need to replace the whole hub. If that's the case how hard is it to remove and replace the hub? https://photos.google.com/photo/AF1QipMyf61EN3-4mdIVgKck1IouvXnDGoouvWrk82Z 5" alt="Hub" />
Rear Hub
Is that roller bearings. Nice.
To get the hub running as anything you will need a magura freehub. A screw on ss freewheel is not going to fit.
Is the current freehub not repairable? What's actually broken on it?
If you wanted to replace the hub you'll either need new spokes of the correct length for the new hub or find a hub that has close enough measurements that you can reuse what you have.
Those are some of the internals left from the freehub which I think I threw away... How hard is it to replace the hub? I have time and patience....
Google suggests it's a rebranded DT Swiss Onyx hub in which case, this looks like it would get you back to a standard HG freehub with fresh internals. You could then get a standard singlespeed spacer kit (or bodge one out of pipe / old cassette spacers) and get going that way.
Removing and replacing a rear hub is a pretty standard exercise in wheelbuilding. As long as you can get something with the same number of spokes and similar flange diameters and your spoke nipples aren't too stuck, you should be able to carefully dismantle the wheel and assemble it with the new hub - there are plenty of wheelbuilding discussions on here.
Good find @toby, you can see those funny small bearing parts in the photo of the ruined free hub so looks a good bet. OP, do you still have the end cap?
That's the one. Just weighing up whether it's worth shelling out £40 plus £5 postage or better to replace the hub. I've had to service the freewheel quite frequently, replace pawls etc... in the past so haven't found it very resilient. Wondered about replacing it was something different. I also don't have the end cap...