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PostPosted: Thu Feb 24, 2005 1:27 pm 
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Joined: Mon Sep 30, 2002 1:59 am
Posts: 1386
Location: Sydney, Australia
Actually it's so they don't hit their pedal on the wall during pursuits.

Reducing your crank will make spinning easier, but crank length is usually determined by the height of the rider.


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PostPosted: Thu Feb 24, 2005 5:36 pm 
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Posts: 640
Location: Boulder, CO
Actually, it's a bigger concern during mass-start events, if the pace drops (eg: the riders position is more upright, rather than parallel to the surface normal of the banking).

You could go screaming through a turn with 180s if you are up to speed, but when you're going slow it'd be a recipe for losing some skin.


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Posted: Thu Feb 24, 2005 5:36 pm 


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PostPosted: Thu Feb 24, 2005 7:09 pm 
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Location: Sydney, Australia
I wouldn't track stand on the wall with long cranks.


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PostPosted: Thu Feb 24, 2005 7:17 pm 
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Location: Boulder, CO
Bruiser wrote:
Actually it's so they don't hit their pedal on the wall during pursuits.

Bruiser wrote:
I wouldn't track stand on the wall with long cranks.


Pursuiters don't track stand, EVER during their event. You are obviously thinking of sprinters. :? Sprints are pretty much the only event where anyone trackstands.

Sprints:
Image
Pursuit:
Image
Team Pursuit:
Image

Any questions?


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PostPosted: Thu Feb 24, 2005 10:11 pm 
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Joined: Tue Jun 22, 2004 11:42 pm
Posts: 3914
Location: lat 38.9677 lon 77.3366
I am using 175's and I know that slows me a bit however they just work better for me for climbing and such so I will accept a bit slower RPM. I can hold 165 RPM for 25 seconds fairly often now. I have also worked on my sprint on the road by sprinting downhill to give me speed and uphill to improve my power and acceleration. I think this will be a very interesting race season for me! Thanks for all the replies


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PostPosted: Fri Feb 25, 2005 3:46 am 
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Joined: Thu Sep 30, 2004 1:32 pm
Posts: 253
Location: AUSTRALIA
Bruiser wrote:
Actually it's so they don't hit their pedal on the wall during pursuits.

Reducing your crank will make spinning easier, but crank length is usually determined by the height of the rider.


Yes, that's true, but I am not talking about radical reductions as they do. Only 2,5 - 5 mm. Just makes it easier to spin faster. Although the "perfect" crank length as has also been pointed out is determined by height and leg length etc. when you consider the infinite variability of the human form all riding the relatively very limited range of crank lengths available, you will see that (a) "perfect" is a crock and (b) there is a wide range of tolerance. I myself ride 2 bikes with differing lengths, for no other reason than I got a huge bargain on a new D/A 7800 set which were allegedly too long. They are great. No hassles from either 172,5 or 175.

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