WTB: 180-190mm crank arms (Shimano)

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2007-10-18 10:27 AM

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Expert
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Sarnia, Ontario
Subject: WTB: 180-190mm crank arms (Shimano)
I'm looking to experiment with longer crank arms on my tri bike.  If anyone has a set available please let me know.

2007-10-18 10:56 AM
in reply to: #1013655

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Giver
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Subject: RE: WTB: 180-190mm crank arms (Shimano)

Shimano only makes cranks to 180mm. Beyond that, you'll probably have to look to Lennard Zinn, who custom builds crazy-long crank arms (to 220mm, I think). But note that when you go to longer cranks, your connering clearance decreases, so you may find yourself scraping pedals even while connering slowly.

Out of curiosity, what's your inseam?

2007-10-18 12:01 PM
in reply to: #1013655

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Expert
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Morgantown, WV
Subject: RE: WTB: 180-190mm crank arms (Shimano)
You must be a giant!
2007-10-22 6:25 AM
in reply to: #1013655

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Expert
647
50010025
Sarnia, Ontario
Subject: RE: WTB: 180-190mm crank arms (Shimano)

I'm 6'5" tall with an in seam just under 36".
I don't really care what make the cranks are, just the length and that they would be compatible with my existing drive train.

2007-10-22 11:36 AM
in reply to: #1018142

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Giver
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Subject: RE: WTB: 180-190mm crank arms (Shimano)

This is probably your only option, unless you get very lucky and find a used set:

http://www.zinncycles.com/cranks.aspx

2007-10-22 5:35 PM
in reply to: #1013655

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Veteran
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Subject: RE: WTB: 180-190mm crank arms (Shimano)
I have a 36" inseam and use 175mm on my tri bike and 180mm on my road bike. I like the 180 on my road bike but don't really care for them on the tri bike feels like the leg comes up a little too much. Maybe more cramped is the feeling I am thinking, where on the road bike it feels more like I fit the bike.
Might be a good idea to call around and get on a serotta size cycle or something with adjustable crank arms that you could ride to get the feel. One with a powermeter would be ideal.
Goodluck, John.

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