KH Hub Moving AXLE

Mine has done the same thing...could it be due to lack of
anti-seize???

Karl

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well im pleased im not the only one *phew* Kris said that i should try
to tap the axle out, and cover it with the strongest loctite available,
and hopefully this should work. mine also comes under warranty, due to
the fact that it happened through normal riding. how old is your set? if
you hear of any other possible fixes, i'd be glad to hear them 🙂

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This sounds similar to the problem I had on my profiles recently, and
the solution for me was to take the spindle out of the hub, and epoxy it
back in place. So far so good. Good luck.

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Max_Dingemans said:

*This sounds similar to the problem I had on my profiles recently, and
the solution for me was to take the spindle out of the hub, and epoxy
it back in place. So far so good. Good luck. *

That's great that the epoxy fix is holding up for you. What type of
epoxy did you use?

My Profile hub is also slipping. I tried fixing it using Loctite sleeve
retainer but that didn't hold up. The hub is back to rocking in the
keyway. Next step is to try epoxy instead of Loctite. I just don't
know what kind of epoxy to try.

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Is the average slop in hub keyways generally to small to shim? I used
the loctite fix on my onze trials hub recommended to me by JC and it is
still holding up great.

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It's 'Devcon high strength 2 ton epoxy'. says it contains...
'N-Aminoethylpiperazine.' I'd imagine that to be the key chemical?

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the problem has been fixed with super-dee-duper strength loctite (the
kind that needs a blowtorch to undo) 😄 was chatting to my old boss at
the climbing gym, and said "oh watch this" then lightly tapped the axle
and it flew out and landed on the floor. he said that epoxy was too
brittle and would shatter over time (he'd know too, making climbing
holds and such) so hopefully all shall be good from now 🙂

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I wonder, what is considered "normal riding" with a KH hub?

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has anybody had the axel sort of bent? if you look right down the axel,
you will see that the cranks are a minor v shape, and its not a problem
with the cranks.

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Quoted message said:

I wonder, what is considered "normal riding" with a KH hub?

Kris Holm said, in his email to me that "normal riding" would be pretty
much anything other than "a ridiculously high drop to flat, for
example"

Quoted message said:

has anybody had the axel sort of bent? if you look right down the
axel, you will see that the cranks are a minor v shape, and its not a
problem with the cranks.

i had kind of the same thing, if its with a splined hub, try loosening
the pinch bolts, and then adjusting the cranks so that they are more
opposite each other...if that aint the case, then i've never seen nor
heard of an axle twisting...kinda strange....

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john_childs said:

*
That's great that the epoxy fix is holding up for you. What type of
epoxy did you use?

My Profile hub is also slipping. I tried fixing it using Loctite
sleeve retainer but that didn't hold up. The hub is back to rocking
in the keyway. Next step is to try epoxy instead of Loctite. I just
don't know what kind of epoxy to try. *

I haven't had to do that fix, but I would probably consider using JB
Weld. It is available at auto parts and hardware stores, it bonds well
to metals, and it is heavily filled which gives it good compressive
strength. Since you are really looking to fill the voids more than
bonding the parts together, the compressive strength is important. The
Devcon products I believe are unfilled (clear), but probably do a good
job also.
I have seen many JB Weld repairs on engine blocks and other parts last
for many years.

Scott

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:eek: I JUST got my new KH yesterday and the hub moves about 1cm !?
Similar to what is described in this thread. Is anyone else having
similar problems with their NEW KH?

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I am. I noticed the "hub lag" The first day I rode it.
I guess I'll have to send it back.....sigh....

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Murde Mental said:

I am. I noticed the "hub lag" The first day I rode it.
I guess I'll have to send it back.....sigh....

In my thread about crank play, I mentioned that my cranks move
independently from each other. In this thread it seems to be about the
axle being lose in the hub. So I understand that your cranks are still
fixed to each other via the axle, which is different from my case. I'm
also in communication with Kris but so far it beats him too.

I go on holiday tomorrow and wanted so badly to take the KH24 to the
Austrian Alps. But I'm not sure if it will hold up. What to do? Take
the old cotterless MUni? Try to slip both unis past my wife into the
car?

Klaas Bil - Newsgroup Addict
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I'm the kind of guy who spreads peanut butter with a peanut butter wrench. - cyberbellum

Klaas Bil said:

*
In my thread about crank play, I mentioned that my cranks move
independently from each other. In this thread it seems to be about the
axle being lose in the hub. So I understand that your cranks are still
fixed to each other via the axle, which is different from my case. I'm
also in communication with Kris but so far it beats him too.

I go on holiday tomorrow and wanted so badly to take the KH24 to the
Austrian Alps. But I'm not sure if it will hold up. What to do? Take
the old cotterless MUni? Try to slip both unis past my wife into the
car?

Klaas Bil - Newsgroup Addict
*

As long as the axle is not slipping in the hub body you're all good. No
need to panic.

Getting the cranks tight on the splines is an easy fix. Read this post:
'Problem with KH 24' (http://tinyurl.com/2onwu) for the details on the
fix. And yes, the fix involves anti-seize. 🙂

Getting the cranks tight on the splines when everything is dry
(ungreased) is difficult. It needs grease to get tight. If you don't
have anti-seize you can use regular bicycle grease instead. Anti-seize
will work better, but since you're going on holiday tomorrow and will
want to get it fixed ASAP, regular grease will work. Grease up the
splines and the threads of the bolts, and you should be fine.

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Klaas Bil said:

*I go on holiday tomorrow and wanted so badly to take the KH24 to
the
Austrian Alps. But I'm not sure if it will hold up. What to do? Take
the old cotterless MUni? Try to slip both unis past my wife into the
car?
*

DUde. Austrian Alps. You gotta bring the KH. It will be mad at you if
you dont.

To all you new KH ppl with moving [censored]: These unicycles can come pretty
poorly assembled. A friend just got one on monday and the frame was on
the wrong direction and and the cranks were on the wrong sides.

Soooo, go over everything and make sure its where its suppose to be and
that all the bolts are nice and tight. You might even have to ride it
and tighten it a couple times to get the cranks tight enough. Lube up
your splines too.

OHH man. it looks like i took my time and the man himself, JC,
responded. I'll post anyway since i bothered to type all this.😄

Have fun Klaas Bil!

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I'm not sure everybody understands. It's the axle that's moving inside
the hub. How the hell do we fix that? the cranks move simultaniously so
we know that they're not the ones that need to be tightened. I also
centerred the axle but that didn't change the clicking thing
either.....What am I to do?

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Murde Mental said:

*I'm not sure everybody understands. It's the axle that's moving
inside the hub. How the hell do we fix that? the cranks move
simultaniously so we know that they're not the ones that need to be
tightened. I also centerred the axle but that didn't change the
clicking thing either.....What am I to do? *

The loose axle is a real problem. You'll have to contact the place you
bought the unicycle from and find out about getting a replacement for
the wheel.

It's not something that you'll be able to fix adequately yourself. The
fix is to get a new wheel. At least that's my opinion based on what's
been said of the problem.

It's a serious bummer that there has been a bad batch of hubs this time
around. It's going to be a headache for Kris and the resellers
(unicycle.com, Bedford, and others).

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that's what I thought....do you think they'll still take it if the frame
is scratched? I've only used it for one day...🙁

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