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Old 04-07-2020, 06:24 PM
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pdmtong pdmtong is offline
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Join Date: Jan 2007
Location: SF Bay Area
Posts: 10,528
Assuming you have average proportions and are riding a stock size frame (that was designed for average proportions) I think you can figure this out with two seatposts and three stems

You can figure out your saddle height on your own. Raise it in 5mm increments until you feel your hips rocking and/or knee locking out when pedal at 6:00 then drop it 5mm.

Get a Zero set back and 25mm setback post and try various saddle setbacks in 1cm increments from 0-8cm. See what feels good for your knees and for your muscle engagement

Bar drop and reach...for a given frame there are usually three stem lengths within the most common fit window. EX: eTT 56.0 usually sold or ridden with 100-110-120
So buy some stems cheap off the classifieds. See where your hands naturally want to be on the hoods and there is your stem length. I have found that I have a pretty narrow bar drop range - like 2cm. Any less than 6cm drop and it feels too tall. More than 8cm drop is not an all day position for me. 7.5cm is about right for me. That was easy enough to figure out with some spacers.

It takes some time but I think you can get pretty close on your own. A lot has too do with your fitness and flexibility too. If you aren't loose or have a poor core, it seems like a waste of $300 to be fit for a body that isnt a good starting point for a professional fit. Just do it yourself, get fitter/stronger and then pay for a fit to get the last 10%.

Note all of this is mentioned with the idea of comfort but says nothing about how you are balanced on the bike. That balance is what takes a comfortable ride into feeling like you are molded into the bike. With a stock body and stock frame you might achieve both just adjusting for comfort.
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