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Old 03-01-10, 12:23 PM
multimodal commuter
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Join Date: Nov 2006
Location: NJ, NYC, LI
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Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...

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Originally Posted by noglider View Post
Goodness, rhm, that's incredible. I adore it.

Why do you like such short cranks? Do you spin really fast?

I don't know, what's really fast? Judging by other cyclists I see, I often see cyclists who spin as fast as I, but only occasionally do I see someone who spins much faster; so I guess I'm at the higher end of the "normal" range. These cranks are 140's, which is frankly a little on the small side. I've tried everything between 127 (5") to 175 and found that crank length really doesn't make much difference at a normal cadence (90-100 rpm). The short ones offer a small advantage at a high cadence and a small disadvantage at a low cadence. In deep snow, they are a disadvantage (confirmed this morning) but I don't ride in that very often.
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