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Old 06-09-09 | 12:14 PM
  #28  
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AndyK
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Joined: Jul 2005
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From: Northern N.J.

Bikes: '11 TIME NXR Instinct, '03 De Rosa Planet '79 Paris Sport (Moulton)

Originally Posted by RoboChrist
It's right in the calculation. If you don't subtract the crank arm length, you're not using the 109% method.

1.09 x inseam - crank arm length = BB to saddle height
Yup!

I fiddled around with saddle height until I felt like I got the right height. Then I measured, and it was 109%-crank arm length - within a half centimeter!
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