WARNING 07 KH ISIS crank removal

I did the same thing with my 07 with a different crank puller, can't
remember which size thread tapper I used to fix it though sorry.

--
pete66
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damn that sucks... sorry to hear it mate. nice to warn us though i'll be
extra carefull with koxx not-isis cranks

--
brendan
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You should be carefully watch the puller tool at all ISIS Systems. The
QU-AX ISIS is also a bit tricky to pull of. Sorry to Daytripper that
this [censored] happens to him.

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KOXX-1 NOT ISIS are fine because the smaller button on my crank
extractor is just small enough to fit inside the shaft and then the
threads of my extractor ended up the same size as the shaft itself. I
was a little baffled when I got all the way to the end of the extractor
but my cranks didn't budge. No damage was a good thing for sure.

--
Beener

I got your "G" right here!!!!!
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We use a home-made crank puller for all of our crank-pulling needs. For
hubs that have tapped hole through the middle, we stick in a threadless
bolt so that the puller can push on something solid. Always check to
make sure that things are where they need to be before you start
applying a lot of force.

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The ISIS spec allows for the use of either M12 or M15 cranks bolts.
Koxx and KH both use M12 crank bolts that have a 1.0mm pitch. So you
need a 12mm x 1.0mm pitch tap.

Truvativ sells a M12 self extracting CroMo crank bolt set that I used
to convert my Koxx cranks to a self extracting setup. I got this idea
from using a set of Truvativ ISIS cranks on my Koxx hub (see my
avatar). These should fit the KH cranks to make them self extracting.

--
jayhawker
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jayhawker said:

The ISIS spec allows for the use of either M12 or M15 cranks bolts.
Koxx and KH both use M12 crank bolts that have a 1.0mm pitch. So you
need a 12mm x 1.0mm pitch tap.

Truvativ sells a M12 self extracting CroMo crank bolt set that I used
to convert my Koxx cranks to a self extracting setup. I got this idea
from using a set of Truvativ ISIS cranks on my Koxx hub (see my
avatar). These should fit the KH cranks to make them self extracting.

So Truvativ cranks fit the koxx hub? My god, will this Isis or not Isis
ever stop?

--
Evan Byrne
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Beener said:

KOXX-1 NOT ISIS are fine because the smaller button on my crank
extractor is just small enough to fit inside the shaft and then the
threads of my extractor ended up the same size as the shaft itself. I
was a little baffled when I got all the way to the end of the extractor
but my cranks didn't budge. No damage was a good thing for sure.

Hah the same thing happened to me. I kept on turning it and I was like,
why the hell is my crank not coming off. Then I tried to pull the crank
puller off and found that it was screwed in, man did I ever feel dumb
:P.

--
ntappin

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(http://tinyurl.com/hxcb3)
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Evan Byrne said:

So Truvativ cranks fit the koxx hub? My god, will this Isis or not Isis
ever stop?

From what I have read some Koxx hubs are within the ISIS spec and some
are not. I guess I got lucky to have one that was within the ISIS
spec. I have also read that a hub and set of cranks can both meet the
ISIS spec but if the hub is on one end of the spec range and the cranks
are on the other, they may not fit together.

So it may be that Koxx and Truvativ are just on one end of the spec and
KH is on the other.

--
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jayhawker said:

From what I have read some Koxx hubs are within the ISIS spec and some
are not. I guess I got lucky to have one that was within the ISIS
spec. I have also read that a hub and set of cranks can both meet the
ISIS spec but if the hub is on one end of the spec range and the cranks
are on the other, they may not fit together.

So it may be that Koxx and Truvativ are just on one end of the spec and
KH is on the other.

I highly doubt there were some hubs that are isis and some that arn't,
I bet there were some people that own the koxx hub that are dumasses,
and some that arn't. Resulting it different reports on its being isis
or not isis. Truvativ is a pretty common Isis crank in the bike world,
If that fits...Hmm..I'd say most would. Someone needs to go to a bike
shop that carrys tons of isis cranks and see which fit and which dont.

--
Evan Byrne
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Evan Byrne said:

I highly doubt there were some hubs that are isis and some that arn't, I
bet there were some people that own the koxx hub that are dumasses, and
some that arn't. Resulting it different reports on its being isis or
not isis. Truvativ is a pretty common Isis crank in the bike world, If
that fits...Hmm..I'd say most would. Someone needs to go to a bike shop
that carrys tons of isis cranks and see which fit and which dont.

I did try to mount the Truvativ cranks on my Koxx Red Devil just to see
if they would fit. The Truvativ cranks fit but they would not tighten
up against the spacer. There was a 1/4" gap between the spacer and the
crank (there is no gap when I mount the Truvativ cranks on my muni).
So it looks like the hub on my Red Devil is a little bit bigger than
the one on my muni.

I think it was one of Roland's post on the German forum that talked
about the variances in the Koxx hub.

--
jayhawker
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jayhawker said:

I did try to mount the Truvativ cranks on my Koxx Red Devil just to see
if they would fit. The Truvativ cranks fit but they would not tighten
up against the spacer. There was a 1/4" gap between the spacer and the
crank (there is no gap when I mount the Truvativ cranks on my muni).
So it looks like the hub on my Red Devil is a little bit bigger than
the one on my muni.

I think it was one of Roland's post on the German forum that talked
about the variances in the Koxx hub.

But the splines sink into the crank properly right? I suspect Yoggi
will fix the slight variation in the 07 koxx hubs after reading all
these koxx no isis threads.

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Evan Byrne
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Evan Byrne said:

But the splines sink into the crank properly right? I suspect Yoggi will
fix the slight variation in the 07 koxx hubs after reading all these
koxx no isis threads.

Yes, the splines fit correctly. My guess is that the hub on my Red
Devil has a flute taper (the milled out portion) which is too steep so
it does not allow the crank to slide completely onto the hub. My Koxx
cranks fit fine with no gap. It would be interesting to know if this
is defined as an incompatible ISIS hub.

I wish Yoggi would give us a detailed explanation about the Koxx ISIS
problem and if it will be addressed in future Koxx hubs/cranks. This
would help keep down the number of "incompatible Koxx ISIS" threads.

--
jayhawker
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im thinking about buying a kh isis cranks and hub
you guys know if it fit in the nimbus frame ?

--
picado

###unicycle for JAH RASTAFARI###

One wheel in brazil
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picado said:

im thinking about buying a kh isis cranks and hub
you guys know if it fit in the nimbus frame ?

Nimbus II frame?

I am not sure about the regular, rounded Nimbus frame, but if I
remember right, you ordered the Nimbus Hoppley, and that comes with the
Nimbus II frame, so I hope your using that one. lol

Anyways, because the Nimbus II frames bearing holders arent machined
and perfect like on a kH frame, they will hold the 42mm bearings from
KH. =p

--
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picado said:

im thinking about buying a kh isis cranks and hub
you guys know if it fit in the nimbus frame ?

The KH ISIS hub has 42mm bearings and I think most nimbus frames take
40mm bearings. The KH ISIS hub does not have the option of installing
the Torker DX 40mm bearings to make it fit in 40mm bearing housing
frames.

If you search the forum you will find two answers:

"Yes you can with no problems, I have done it for years."

and

"No, it will cause your bearings to fail."

I have not run a 42mm bearing in a 40mm bearing housing frame for more
than a few hours. So I can say
yes it will fit but I am not sure about the long term durability of the
bearings.

If you do order a KH ISIS hub and cranks and plan to put them in a
nimbus frame, I would order a spare set of bearings because the KH ISIS
bearings (made by Qu-ax) are 42mm x 24mm and are not a standard bearing
size.

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dammt

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picado

###unicycle for JAH RASTAFARI###

One wheel in brazil
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jayhawker said:

The ISIS spec allows for the use of either M12 or M15 cranks bolts.
Koxx and KH both use M12 crank bolts that have a 1.0mm pitch. So you
need a 12mm x 1.0mm pitch tap.

Truvativ sells a M12 self extracting CroMo crank bolt set that I used
to convert my Koxx cranks to a self extracting setup. I got this idea
from using a set of Truvativ ISIS cranks on my Koxx hub (see my
avatar). These should fit the KH cranks to make them self extracting.

Thanks for the tap size info

--
Daytripper63
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I've done the same anybody know how I can fix it?

--
thejdw

dunawan said:

why are koxx one unicycles so costly???

forrestunifreak said:

They are expensive because they use only the finest soft drink cans.

😄 😄 2 unispins landed!😄 😄

Quoted message said:

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