Old 03-19-09, 08:04 AM
  #4  
Ex Pres 
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I like the little calibrated levels/ angle finders, I'm sure they have a better name. Stand the bike straight up and put the level on the seat tube, top tube, and head tube. Easy to subtract from each other to get the main frame angles.

You should measure measure the bottom bracket height, top tube length, and chainstay (actual and virtual) length. Also the wheelbase, and with all these measurements you could probably calculate the fork rake.

Won't be as accurate as Stan's method above, but quick and easy.

edit: for fork rake, I've also used the method Road Fan uses.
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