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Old 2018-08-23, 03:30 AM   #1
pennyfarthing
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Source for square taper alloy cranks?

Anyone know where I might be able to find 150mm square taper alloy cranks? The only ones I knew of was the Torker LX and it seems like Torker is out of business. Everybody else seems to be using ISIS and/or charging an arm and a leg. Don't really want steel cranks.
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Old 2018-08-23, 04:37 AM   #2
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How about these?

https://www.unicycle.uk.com/unicycle...ss-cranks.html
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Old 2018-08-23, 07:03 AM   #3
Mikefule
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I have various lengths of square taper crank in a box in the roof of my garage. Are you in the UK?
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Old 2018-08-23, 11:51 PM   #4
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No, I'm in the US.
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Old 2018-08-24, 12:25 AM   #5
UnderTheLake
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Compulsion Cycles has steel or aluminum cranks here.
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Old 2018-08-24, 04:06 AM   #6
johnfoss
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Wow, it's like cotterless cranks are becoming dinosaurs!
Quote:
Originally Posted by UnderTheLake View Post
Compulsion Cycles has steel or aluminum cranks here.
Unfortunately no alloy 150s (at the moment at least). Steel's nice and cheap tho...
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Originally Posted by ruari View Post
Tnat might be your best bet at the moment.

I looked at the MYS Store in Japan, but for cranks, their longest offering is 95mm. But if you want some 55mm cranks, this is the place to look:
https://unicycle.onlinestores.jp/Cra...rank-p-75.html
They sure are cute!
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Old 2018-08-24, 04:15 AM   #7
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55mm... Oh my... I can't even imagine how those would feel, even with a small wheel that has got to interesting.

Have you tried such small ones before?
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Old 2018-08-24, 04:20 AM   #8
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Originally Posted by johnfoss View Post
I looked at the MYS Store in Japan, but for cranks, their longest offering is 95mm.
Looks like they do have 125mm as well

https://unicycle.onlinestores.jp/Cra...rank-p-76.html
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Old 2018-08-24, 04:31 AM   #9
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It took me a second to figure that out. You can choose your size from a drop-down list! Largest size is 125, which is pretty long for pretty much any Japanese rider I know. Muni doesn't seem to be very big there, even though the country is very mountainous!

125s might work well for you also, unless you're putting them on a pennyfarthing, or riding bumpy trails...
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Old 2018-08-24, 11:52 PM   #10
aracer
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https://www.amazon.com/Action-152-Co.../dp/B0048UMP60
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Old 2018-08-25, 11:24 AM   #11
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Those are steel. They have then on almost every website offering unicycle parts.
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Old 2018-08-26, 02:05 AM   #12
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These ones are Aluminum, and they have them in polished if you don't like black:

https://www.amazon.com/Action-Diamon...n%3A7306207011
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Old 2018-08-26, 04:58 AM   #13
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These ones are Aluminum, and they have them in polished if you don't like black:

https://www.amazon.com/Action-Diamon...n%3A7306207011
Appears to be short bike cranks. That is a left arm but where is the right? Right crank arms for a standard bike are not gonna work on a typical uni.
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Old 2018-08-26, 01:21 PM   #14
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Appears to be short bike cranks. That is a left arm but where is the right? Right crank arms for a standard bike are not gonna work on a typical uni.
In my haste I didn’t actually look that it was just a left crank.

They do have cranks as a set with steel chainrings swaged on. It’s really easy to grind off the swaged metal, and then the chainrings come right off. I have a set of dual hole cranks from Trek that started life as bike cranks.

https://www.amazon.com/Sunlite-Singl...words=Crankset
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Old 2018-08-26, 06:31 PM   #15
aracer
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They do have cranks as a set with steel chainrings swaged on. It’s really easy to grind off the swaged metal, and then the chainrings come right off. I have a set of dual hole cranks from Trek that started life as bike cranks.

https://www.amazon.com/Sunlite-Singl...words=Crankset
Yep - that's the sort of thing I was looking for when i found those others (and didn't notice they were steel). The 140mm cranks I have for my Schlumpf (first gen square taper version) were bike cranks like that and I removed the chainring - you'd have to look hard to see they weren't originally unicycle cranks.
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