Re: custom frame for original Schlumpf hub

rob.northcott

joemarshall wrote:
> The machined bearing holder version of the nimbus is 42mm not 40mm
> bearings, so I think I'm stuck with non-machined ones (or using a shim,
> but that's probably just as bad? )
>
> I actually have a nimbus 29" frame at home to try this on, I'm just
> slightly worried about using the non-machined bearing holders on the
> Schlumpf. Do you think there might be a problem with them, or should I
> be okay?
>


I forgot about needing to grind the flange a bit (ooer missus).

I would have thought machined 42mm holders with a properly fitting shim
would be better for the bearings than the cheap pressed ones. On the
other hand, I've done oodles of miles on my cheap frame (and I know
you've done even more) with no bearing problems. With the old Schlumpf
hub like yours it's not as if the bearing holders need to be reamed up
tight like they do for the KH ones - the bearings are just like normal
unicycle bearings aren't they?

I don't think you've got anything to lose by using that Nimbus frame
you've got, as long as you make sure the torque arm is spaced correctly
and firmly attached so it's not under any weird stresses, and that
nothing rubs on anything. But, as I said before, I can't say I've
tried it myself and it's not my £700 hub

BTW - I thought Roger built you a new frame to fit your hub after the
Schlumpf frame broke, didn't he?

Rob


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