How to Shave your Trials Tire?

uni_mattster wrote:
EDIT: But didn't you strip your frame?



He got a new KH unicycle after he got sponsored by Kris Holm

Peter M

Edit: didn't read the last page


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Triball wrote:
A question: What are the positive sides of shaving a tire anyways?


maximum grip on almost all surfaces except; loose dirt, mud and
polished/very smooth floors that are wet.


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elastoplastscavenger wrote:
maximum grip on almost all surfaces except; loose dirt, mud and
polished/very smooth floors that are wet.


Add, ice, snow, rock, anything that isn't flat.

Infact, having a slick doesn't add any grip on any surface, it just
makes your ride smoother, and turning easier, and spins on the ground
easier, and spins in the air harder.


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And wheel walking is probably easier


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Triball wrote:
And wheel walking is probably easier


Maybe, depends how the tire reacts with your shoes.

I think that it would be harder with my shoes, they have small close
together groves.


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Sometimes my foot gets stuck in the knob


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Triball wrote:
Sometimes my foot gets stuck in the knob


I sometimes have a problem where I don't lift my foot up off the tire
near the end of the push, and my heel makes noise on the knobs.


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Maybe it isn't so good for gliding though, as for me I need some good
friction between my foot and tyre to slow down - on the bald patches of
my tyre it just slides

borgschule wrote:

Infact, having a slick doesn't add any grip on any surface


I think we can safely say you have more grip on smooth surfaces, like
gym floors as there is more tyre touching.


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elastoplastscavenger wrote:
maximum grip on almost all surfaces except; loose dirt, mud and
polished/very smooth floors that are wet.



Borgschulze wrote:
Add, ice, snow, rock, anything that isn't flat.


so why do they use slick tires wherever they are allowed in motor
racing on hard surfaces? the surface has to be very non-flat before
tread makes a difference, rough enough for the sticky out bits of the
surface to stick in between the treads on the tire.

look at the tread pattern on a tire, and look at the hard surface you
are riding or jumping on. with slick tires the whole surface of the
tire can deform into the macro and micro structure to give traction.
with a treaded tire you loose all the contact area between the tread
blocks because it cannot contact the surface.

'here is a link' (http://sheldonbrown.com/tires.html#tread) to the bike
gospel, and his tire page, according to sheldon brown.


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jamessd wrote:
I think we can safely say you have more grip on smooth surfaces, like
gym floors as there is more tyre touching.



I somehow didn't think of polished surfaces, but that is probably
because I never get the chance to ride on one.


elastoplastscavenger wrote:
so why do they use slick tires wherever they are allowed in motor racing
on hard surfaces? the surface has to be very non-flat before tread
makes a difference, rough enough for the sticky out bits of the surface
to stick in between the treads on the tire.

look at the tread pattern on a tire, and look at the hard surface you
are riding or jumping on. with slick tires the whole surface of the
tire can deform into the macro and micro structure to give traction.
with a treaded tire you loose all the contact area between the tread
blocks because it cannot contact the surface.

'here is a link' (http://sheldonbrown.com/tires.html#tread) to the bike
gospel, and his tire page, according to sheldon brown.



This is a Unicycling forum, but yes, for something heavy and going
fast, it makes a big difference. You're also adding to the fact, a car
tire has a rectangular contact patch on the ground, while a Unicycle
tire is going to have a oval patch touching the ground.


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