Does anyone know of a 125-135mm ISIS bike crank?

Maybe the koxx-one ISIS light, it comes in 140. I don't think bike
cranks are all that short generally. Anyway, what are you making?

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koebwil said:

Anyway, what are you making?

A unicycle.

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Anyone?

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I've heard of cranks being cut and welded with re-enforcment. I think it
was done with 145 profiles and made to 125. Probably considerably
weakened the cranks though. I never heard how well they held up. I'll
search around and come back if I see something.

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Borgshulze said:

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dudewithasock said:

I'm sorry, but that's really one of the worst comebacks I've ever seen.
And I hang out with my friends.

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Problem is most isis cranks are solid aluminum.

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wouldn't a suzue hub with some light track bike cranks be far lighter
than any splined setup you could get for a uni? does it need to be
super strong?

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After a bunch of searching, this is all I came up with:
http://tinyurl.com/yw9c9h

Too bad they won't work for you. Sorry.

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maximus unius

Quoted message said:

Borgshulze said:

That's not a stick, that's your brain matter.

dudewithasock said:

I'm sorry, but that's really one of the worst comebacks I've ever seen.
And I hang out with my friends.

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Yeah, Forgot to mention that was the one company i found. They are race
bmx cranks however. I emailed the company and they said give it a shot
because they are cheap, but they dont know how strong they are.

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They might not be strong enough. What is the uni gonna be used for.
Street I presume.

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maximus unius

Quoted message said:

Borgshulze said:

That's not a stick, that's your brain matter.

dudewithasock said:

I'm sorry, but that's really one of the worst comebacks I've ever seen.
And I hang out with my friends.

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Trials mostly, some messing around with flatland and tricks.

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The Sinz will more than likely not be that strong. They are "mini" bmx
cranks...meaning they are designed to be used by young kids that are
light, and don't jump much. "Mini" stuff is usually designed to be as
light as humanly possible...sub 10 Lb bikes are not unheard off...and
durability is not a big concern. The one thing that would be a major
problem is that built in spider for the chainwheel/sprocket...that
would need to be ground off...hassle. Aren't there some small QU-AX
cranks on municycle.com(UDC Germany)?

Come to think of it...PDC on the board knows someone that can machine
extra threads into Kookas for adjustable lengths...I don't see why they
couldn't take any aluminum crank(including isis), cut them off, and
machine the threads at the length you want. I'm sure it wouldn't be
cheap...but it might be worth an IM to PDC.
If you're willing to go that far you might just want to get a brand new
Kris Holm Moment set-up in 125mm.

Good luck man...wish you luck.

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guster said:

The Sinz will more than likely not be that strong. They are "mini" bmx
cranks...meaning they are designed to be used by young kids that are
light, and don't jump much. "Mini" stuff is usually designed to be as
light as humanly possible...sub 10 Lb bikes are not unheard off...and
durability is not a big concern. The one thing that would be a major
problem is that built in spider for the chainwheel/sprocket...that
would need to be ground off...hassle. Aren't there some small QU-AX
cranks on municycle.com(UDC Germany)?

Come to think of it...PDC on the board knows someone that can machine
extra threads into Kookas for adjustable lengths...I don't see why they
couldn't take any aluminum crank(including isis), cut them off, and
machine the threads at the length you want. I'm sure it wouldn't be
cheap...but it might be worth an IM to PDC.
If you're willing to go that far you might just want to get a brand new
Kris Holm Moment set-up in 125mm.

Good luck man...wish you luck.

Iv been podering trying the Sinz cranks, I can remove the spider with a
mill. Im just worryed about snaping a crank off or bending it, However
they are only 50 bucks. Lets raise the bar, Anyone know of a isis bike
crank thats between 150-140?

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http://tinyurl.com/33ur6b

140mm but I think lighter than KH.

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Lutz said:

http://tinyurl.com/33ur6b

140mm but I think lighter than KH.

Wow, Those are insanley light, lighter than the Sinz which are skinny
race cranks. Does anyone know if these will hold up?

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I told Marco to get Onza Tensile cranks because he was looking for the
lightest uni available, but he was advised not to buy it because it
hasn't really been tested by anyone yet. So I don't think anyone on the
forum has any experience on this item.

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And about short ISIS cranks, Qu-Ax has some but i don't know how strong
they are (they're very short so I think they're strong enough):

100-114mm: http://tinyurl.com/yt7zur
125-145mm: http://tinyurl.com/2oh92q

They are also some of the lightest cranks out there.

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The second pair have a pretty strong design.

I wouldn't worry too much about bending them...

It took a five foot drop to really do any big damage to Dumpweeds
cotterless cranks, the really thin ones that come on lots of cheap
unicycles.

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I was talking with Sponge and Joe, and they said that those Onza Tensile
cranks will be the same strength of the KH moments. They sound good to
me. =p

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Those quax cranks are horribly light, Anyone know if they are strong?

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