Repost: Hub/Axle... one or two pieces??

I posted this around the time of the winternet problems and so I don’t
think anyone saw it so I’m posting it again.


Here’s something that I’m confused about.

Is a hub/axle two different pieces? I’ve often heard about people breaking
their axles going through several over time. George Peck comes to mind.
Now he has a 7/8" titanium axle.

I’ve always pictured in my mind that when that happens that you then go
take the whole wheel to your local friendly wheel builder and he replaces
the hub/axle as a whole. BUT… when I’ve looked at Poznanter’s hub/axle
‘assembly’ on Unicycle Sources catalogue page it looks like two different
pieces; the hub being aluminum and the axle being a black alloy.

My Pashley MUni, however, looks to me (having NOT taken it apart) to be
all one piece. But maybe I’m not seeing it right?

What’s up? What would George have to do if he broke that massive axle of
his? What will ‘I’ have to do when I break my ‘puni MUni’ axle.

Christopher Grove


“I never MET a man I didn’t like.” -Will Rogers

The Poznanter/Profile hub is composed of a CrMo splined BMX bottom bracket
axle, pressed into an aluminum hub. The axle is secured against turning by
a key inserted into a keyway slot drilled in both the hub and axle.

So far, axle breakage doesn’t seem to be an issue with the Profile hub,
although a couple of people have busted Profile’s standard crank arms. For
those few people breaking the standard crank arms (which are very strong),
Profile also makes a heavier version that no one has broken, as far as I
know. I just use the standard crank arms and have never had any problems.

-Kris. — Christopher Grove <c_r_grove@yahoo.com> wrote:
> I posted this around the time of the winternet problems and so I don’t
> think anyone saw it so I’m posting it again.
> ***********************
>
>
> Here’s something that I’m confused about.
>
> Is a hub/axle two different pieces? I’ve often heard about people
> breaking their axles going through several over time. George Peck comes
> to mind. Now he has a 7/8" titanium axle.
>
> I’ve always pictured in my mind that when that happens that you then go
> take the whole wheel to your local friendly wheel builder and he
> replaces the hub/axle as a whole. BUT… when I’ve looked at
> Poznanter’s hub/axle ‘assembly’ on Unicycle Sources catalogue page it
> looks like two different pieces; the hub being aluminum and the axle
> being a black alloy.
>
> My Pashley MUni, however, looks to me (having NOT taken it apart) to be
> all one piece. But maybe I’m not seeing it right?
>
> What’s up? What would George have to do if he broke that massive axle of
> his? What will ‘I’ have to do when I break my ‘puni MUni’ axle.
>
> Christopher Grove
>
> –
> “I never MET a man I didn’t like.” -Will Rogers
> ___________________________________________________________________-
> ________
> rec.sport.unicycling mailing list -
> www.unicycling.org/mailman/listinfo/rsu


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