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How to get accurate measurements?(3 posts)

How to get accurate measurements?SPINDAWG
Jan 1, 2004 3:09 PM
Does anyone know of a website that shows illustrations on how to get accurate measurements on such things as:1 point of saadle behind bb center 2. Point of saddle to center of bars 3. Top of saddle to bb center 4. Center of bars/ stem to center of front hub ? Thanks ahead for any answers and How 'bout them dawgs!
re: How to get accurate measurements?torquecal
Jan 1, 2004 4:15 PM
I don't know of a website but all 4 are pretty easy with a yardstick, a length of fishing line and a smallish lead weight. Use the fishing line and the weight as a plumb bob. Some of these are easier with another person to help out.

1. hold the plumb bob at saddle nose so it hangs down almost to the floor. Use the yardstick to measure from the plumb to the center of the cranks.

2. hold the plumb bob so the weight is centered on the bars then use the yardstick to measure from the point of the saddle to the plumb.

3. yardstick ontly, direct measurement.

4. hold the plumb line at the stem/bars center point with the weight just off the floor, then use the yardstick to measure from plumb to center of front hub.
Have you tried cyfacusa.com ?HouseMoney
Jan 2, 2004 6:59 AM
C-40 references them alot, and their fit info is very informative.