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PostPosted: Tue Feb 21, 2012 2:16 pm 
Old School Grand Master
Old School Grand Master
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Joined: Wed Aug 08, 2007 10:35 am
Posts: 12267
Location: Penarth
Damn :evil: Anyone with long legs


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PostPosted: Tue Feb 21, 2012 3:27 pm 
98+ BoTM Winner / Gold Trader
98+ BoTM Winner / Gold Trader
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Joined: Tue Feb 14, 2006 9:58 pm
Posts: 3520
Location: the Netherlands
travelled for months on a bike with two different crankarms (170mm/175mm) bitd, never noticed this until I came back home and took the bike apart :roll:
Currently use both 175mm and 180mm cranks and I think I can feel the difference ....... but don't think it's a very big deal on a MTB ...... I don't always adjust my saddle when I move my EBB either.....I'll say give it shot and try to forget they're 180 :wink:


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PostPosted: Tue Feb 21, 2012 3:33 pm 
Old School Grand Master
Old School Grand Master
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Joined: Wed Aug 08, 2007 10:35 am
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Location: Penarth
Yeh...I'll try them :D


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PostPosted: Tue Feb 21, 2012 4:27 pm 
Posh Mark
Posh Mark
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Joined: Wed Apr 18, 2007 2:49 pm
Posts: 5981
Location: As far from the city as you can be ....
Carl,

As you know I am fairly tall :D

I recently moved from a set of 175mm cranks to 180mm on my CK.

To add balance to above I did notice it. It took time to adjust and for a while pedal stokes felt a bit .... well .... strange.

No doubt now they feel better and if buying new again (especially for SS) I would consider 175mm.

I don't think its as straight forward as just changing saddle height :?

Still ... nothing ventured and all that!


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PostPosted: Tue Feb 21, 2012 5:10 pm 
Old School Grand Master
Old School Grand Master
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Joined: Wed Aug 08, 2007 10:35 am
Posts: 12267
Location: Penarth
:(


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PostPosted: Tue Feb 21, 2012 8:09 pm 
Old School Grand Master
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Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4433
Location: Herts UK
stick em on ebay.

btw i have sugino 175 mm csiii cranks for sale :?


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PostPosted: Wed Feb 22, 2012 2:34 am 
Retro Guru
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Joined: Thu Jun 23, 2011 11:25 pm
Posts: 1785
Location: It's not easy being a dolphin.
For a garage queen, no.

For a rider....well it's too personal. Just my tuppence.


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PostPosted: Thu Feb 23, 2012 6:24 am 
Old School Grand Master
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Joined: Wed Apr 12, 2006 12:33 pm
Posts: 11105
Location: The Home Of Mountain Biking, And All Great Things.
Longer cranks equal more leverage.

The only negative is a less efficient stroke, or awkward reach, and that really is dependent on how you ride, how you articulate on the saddle or how much time you spend out if it. Longer cranks give a much greater pendulum effect that can influence the motion of energy.

You might find with standard ratios you are not quite hitting the 'sweet' spot.

Personally for climbing, trials, high BB and long crank works.

On road, short and sweet.


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