Crank Length, Tire Space

1mm could lead to problems. What if the tire you start with goes out of
production? Give a few more mm to allow for future tires or even
differences from one tire batch to another. Do a minimum of 3mm

For cranks, unless you're already familiar with using 89s I'd start
with 102s and work my way down. 89s are great for spins and other
rolling tricks, but terrible for anything where you need leverage, like
side-ride. I currently use 114s, a step up from the 102s I previously
had. I used 125s in my heyday but they are kind of long.

--
johnfoss

John Foss
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-- Kris Holm, world's expert on high-consequence unicycling
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johnfoss said:

1mm could lead to problems. What if the tire you start with goes out of
production? Give a few more mm to allow for future tires or even
differences from one tire batch to another. Do a minimum of 3mm.

yeah that's what i was worried about also, if i went with 5mm that
wouldnt wake much of a difference over 3mm and that's still pretty
close right?

for crank length i probably will go with the 102's

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JLthemanthelegend
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I think 5mm would be perfect, as you also don't want to have your toe
accidently rub the tire when standing up and this should give you
enough room for a slightly out of true wheel aswell. As for cranks, I
would suggest 110-90 mm somewhere in there, John is much more
knowledgeable (sp?) on the subject, but I was working with 125's on my
freestyle earlier and I was hating it, now that I'm on 110's on my
trials I am liking it much more for freestyle but I'm still finding it
a bit jerky and wishing I had smaller cranks, and since you are going
to be on a freestyle tire that is lighter and harder it will probably
be another reason to go with shorter cranks to try and smooth things
out. I would actualy try and get some wierd size that you can only get
from Miyata if possible as I'm sure its much easier to get 89mm or
102mm in the U.S. for pretty cheap and since the custom cranks are
included in the price you might aswell go out and try something crazy!

BTW I am crazy jealous, I really want to get a Miyata freestyle but due
to money and the fact that I don't really ride enough freestyle to make
it worth that kind of money I don't think it will be happening for me.

Good luck and treat your baby right :p

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ntappin
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ntappin said:

I would actualy try and get some wierd size that you can only get from
Miyata if possible as I'm sure its much easier to get 89mm or 102mm in
the U.S. for pretty cheap and since the custom cranks are included in
the price you might aswell go out and try something crazy!

HA HA HA, might as well right, how about i go with 97's, it's a middle
road, and if they arnt able to do that i'll just go with 102's

i will take care of it trust me, it's going to be a while before it
gets here though because it's 40 days till ship date then it's being
mailed by sea...it'll be worth it though once it gets here

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JLthemanthelegend
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I was wondering, does about 5mm difference in crank length make a
noticable difference?

also, when ordering a uni from miyata, do they make the cranks and
frame themselves?

also, did you get the titianium frame uni?

--
mornish

tobbogonist said:

that was neat, now i only have to put it to use.
parents banned my uni due to low school marks so if there are any nerds
out there with a kind heart, i have a psychology assignment that is a
few weeks over due, it is on intelligence.

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JLthemanthelegend said:

HA HA HA, might as well right, how about i go with 97's, it's a middle
road, and if they arnt able to do that i'll just go with 102's

i will take care of it trust me, it's going to be a while before it
gets here though because it's 40 days till ship date then it's being
mailed by sea...it'll be worth it though once it gets here

Cranks are pretty cheap too so its not like its a huge problem. If you
can afford that and it didn't take you ten years to afford it then you
can afford pretty much any size cranks you can imagine.

As per Mornish's question, 5mm isn't a huge difference to notice but it
is a full cm in circumference so it makes enough of a difference that
you can go from having an unwieldy crankset to something that is just
within your ability and will either be perfect for you after a bit or
help transfer you to the harder cranks.

--
ntappin
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oh. what do you think would be an ideal crank length for beggining
freestyle(sos idleing and riding ect.)?

I'm also looking to get a freestyle uni.

--
mornish

tobbogonist said:

that was neat, now i only have to put it to use.
parents banned my uni due to low school marks so if there are any nerds
out there with a kind heart, i have a psychology assignment that is a
few weeks over due, it is on intelligence.

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Beginner is a different thing than a good freestyle uni I think. I find
it easier to idle on longer cranks but I find with shorter cranks I can
control my movements without changing my balance at all and that helps
me alot with trying to do toe taps and manuevering one footed. It also
helps me transition from having my feet on the pedals and putting them
elsewhere, be it on the frame of out in the air. You should probably
learn a few freestyle tricks on your current uni first and then once
you start doing things that you feel require something different switch
over. Although this is just my opinion, and its the argument I'm using
on myself to avoid buying a freestyle uni.

--
ntappin
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yea, but my trials uni has been proving lacking for things like
transitioning from one foot riding to both feet on frame gliding and
other things.

does anyone make 105mm cranks?

--
mornish

tobbogonist said:

that was neat, now i only have to put it to use.
parents banned my uni due to low school marks so if there are any nerds
out there with a kind heart, i have a psychology assignment that is a
few weeks over due, it is on intelligence.

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These people all make 102mm cranks.

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ntappin
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ok, I think I'll start with those.

--
mornish

tobbogonist said:

that was neat, now i only have to put it to use.
parents banned my uni due to low school marks so if there are any nerds
out there with a kind heart, i have a psychology assignment that is a
few weeks over due, it is on intelligence.

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mornish said:

oh. what do you think would be an ideal crank length for beggining
freestyle(sos idleing and riding ect.)?

If I read correctly that 'beginner' means you have to work on things
like idleing and riding, then 125 would be a good crank size on a 20".
102 is too short to be comfortable for a real beginner.

Klaas Bil - Newsgroup Addict
--
"I'm slowly but surely stealing Wales and bringing it back to my house on the wheel, frame and cranks of my muni. - phil"

ntappin said:

As per Mornish's question, 5mm isn't a huge difference to notice but it
is a full cm in circumference

5 mm isn't huge but definitely noticeable. It is a full cm in DIAMETER
and more than 3 cm in CIRCUMFERENCE (of the circle that the pedals
describe with respect to the frame).

Klaas Bil - Newsgroup Addict
--
"I'm slowly but surely stealing Wales and bringing it back to my house on the wheel, frame and cranks of my muni. - phil"

mornish said:

also, did you get the titianium frame uni?

no i did not get the titanium model, i just got the custom fork pro
performer, they emailed me after i ordered it asking the specs that i
wanted it to be made to

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JLthemanthelegend
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mornish said:

I was wondering, does about 5mm difference in crank length make a
noticable difference?

About half as noticeable as a 10mm difference. 🙂 For high speed
riding, any amount of length change is theoretically noticeable. Also
for doing certain types of tricks. But 5mm is pretty small.

Quoted message said:

also, when ordering a uni from miyata, do they make the cranks and frame
themselves?

Regular Miyatas are factory made, just like any other affordable
unicycle. But the custom-order ones from MYS are handmade (or custom
made in the factory) to your specifications. I think the short cranks,
if alloy, are custom cut as well.

--
johnfoss

John Foss
"jfoss" at "unicycling.com" -- www.unicycling.com
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"The worst thing you can do on a unicycle when you land is stop dead."
-- Kris Holm, world's expert on high-consequence unicycling
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