Jim Langley’s thorough discussion of bike fit starts with the seat. More tips on fit and buying a bike at http://www.jimlangley.net/crank/crank.html.
Bike Fit
Level and center the seat: Start adjusting fit by placing the bicycle on a level 
surface and checking that the seat is level (photo). A good way to check is to place a carpenter’s level on top of the seat. If you don’t have this tool, place a yardstick on top of the seat and compare the edge of the yardstick to a horizontal sight line, which you know to be level such as a windowsill or the top of a building. While adjusting, ensure that the seat is centered on its rails over the seatpost, too.
Another in the series from Langley’s great web site.
–Corrie
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on Monday, November 19th, 2007 at 6:00 am and is filed under Technique, equipment.
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