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Old 08-10-04, 05:16 AM
  #7  
twahl
Tom (ex)Builder
 
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Location: Manassas, VA
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longer cranks would make the problem worse. your distance to the bottom of the pedal stroke would be even longer, and your distance to the top of the pedal stroke would be even shorter. if anything you need shorter cranks. i'd recommend, though, to keep the saddle high, and use this technique: _pull_ on your stroke. this will stop the bouncing. if it doesn't, then move the saddle down a mm. there's a sweet spot, find it. for this you'll probably need clips/clipless pedals.
Good point made here, and I gladly defer to it. I'm still "getting up to speed" as it were on multi-speed bikes, as my bike-mechanical experience relates more to BMX racing. I know that I went to shorter cranks on my son's bike on a particular track to allow him to get more spin, while I went to longer (185 mm at my 5'-10"!) cranks because I had more power than speed. With 3 chain rings to choose and a casette...you can really accomplish the same thing (mostly) with the gears you select.
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