Matthew W
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Mark, I see no reason why one couldn't measure the inseam in parsecs. An inch is roughly 2 x 10 ^ -23 parsecs, so we've got a conversion factor in keeping with the other estimates.
markjgi-@yahoo.com wrote:
geek math team moment here.
Lemond method is .83 of your inseam= your saddle height.
so let's just guess that a 43 cm frame = about 53 cm to saddle top (this is a wild guess done by holding my hands in the air)
so 53/.83=63.85 cm for the person's inseam, divide that by 2.54 and you get about a 25 inch inseam, which seams not wildly out of the range of possibilities.
so now measure you kids inseam . . . maybe do it in parsecs (some one tell me why that won't work and I'll mail you a stale power bar)
Go hornets (yes my high school senior math team was named the hornets!)
Mark Ginsberg
Eric Kytola <Eric.K-@kingrs.com> wrote:
i have an oppurtunity to buy a road bike for my sons. the bike is a 43cm. i am trying figure out how to work backwards with sizing. what size of a person rides a 43cm?
To respond to the whole group send to ob-@topica.com.To respond to the list manager send to cmur-@obra.orgTo unsubscribe send to obra-uns-@topica.com
Mark J. GinsbergAttorney At Law1001 SW 5th Ave., Ste. 1900Portland, OR 97204(503) 542-3000Fax (503) 295-3720 markjgi-@yahoo.comwww.bikesafetylaw.com
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<DIV>Mark, I see no reason why one couldn't measure the inseam in parsecs. An inch is roughly 2 x 10 ^ -23 parsecs, so we've got a conversion factor in keeping with the other estimates.<BR></DIV>
<DIV><BR><B><I>markjgi-@yahoo.com</I></B> wrote:</DIV>
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<DIV>geek math team moment here.</DIV>
<DIV> </DIV>
<DIV>Lemond method is .83 of your inseam= your saddle height.</DIV>
<DIV>so let's just guess that a 43 cm frame = about 53 cm to saddle top (this is a wild guess done by holding my hands in the air)</DIV>
<DIV>so 53/.83=63.85 cm for the person's inseam, divide that by 2.54 and you get about a 25 inch inseam, which seams not wildly out of the range of possibilities.</DIV>
<DIV> </DIV>
<DIV>so now measure you kids inseam . . . maybe do it in parsecs (some one tell me why that won't work and I'll mail you a stale power bar)</DIV>
<DIV> </DIV>
<DIV>Go hornets (yes my high school senior math team was named the hornets!)</DIV>
<DIV> </DIV>
<DIV>Mark Ginsberg<BR><BR><B><I>Eric Kytola <Eric.K-@kingrs.com></I></B> wrote:</DIV>
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<P><FONT face=Arial size=2>i have an oppurtunity to buy a road bike for my sons. the bike is a 43cm. i am trying figure out how to work backwards with sizing. what size of a person rides a 43cm? </FONT></P><PRE>To respond to the whole group send to ob-@topica.com.
To respond to the list manager send to cmur-@obra.org
To unsubscribe send to obra-uns-@topica.com</PRE></BLOCKQUOTE><BR><BR>
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<ADDRESS>Mark J. Ginsberg</ADDRESS>
<ADDRESS>Attorney At Law</ADDRESS>
<ADDRESS>1001 SW 5th Ave., Ste. 1900</ADDRESS>
<ADDRESS>Portland, OR 97204</ADDRESS>
<ADDRESS>(503) 542-3000</ADDRESS>
<ADDRESS>Fax (503) 295-3720 </ADDRESS>
<ADDRESS><A href="mailto:markjgi-@yahoo.com">markjgi-@yahoo.com</A></ADDRESS>
<ADDRESS><A href="http://www.bikesafetylaw.com/">www.bikesafetylaw.com</A> </ADDRESS></DIV></DIV></DIV></DIV></DIV>
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