Since it has a sloped top tube what would be the highth range of people that would fit on a 63cm trek pilot?

A slopping top tube does not actually change the size of the bike for people. This just gives them a little more area for sag if they happen to come off the saddle unexpectedly. the math is still the same for that bike. Measure your inseam (while bear footed) from the floor to the pelvic bone. Multiply this number by-- 0.883--. This will give you the approximate measurement from the bottom bracket center to the top of your seat. Set your seat hight to this measurement and then sit and pedal. If your hips rock from side to side your seat is to high. This should give you about a 150 % bend in your knees. Also make sure your seat post is not beyond the safety line. Many people forget to watch for this and you can snap the seat post or even the seat tube neck.
One other thing. Since no one persons body geometry is the same, the top tube slop my mean a shorter distance for the rider to reach out. If you are to fare extended you will have pain in your lower back. A shallow extension and your knees could hit the handle bars or you can cut your lung expansion area. This problem can easily be resolved by changing the handle bar stem length and pitch.

Hey,

Bike fit is of extreme importance, and should not only be done by someone in a shop, but should not be disregarded for a good deal

The rough formula for that is done by the inseam of the leg, and is approximately

0.67 x inseam (cm) = ____

So, it is recommended for people with an inseam of 94 cm.

Using an average sizing chart, that would work out to (Average only) someone who was around 6'4".

You don't want to stray too far from that without throwing off the rest of the geometry...

good luck
work in a bike shop
The same person that would ride a 63 virtual center to center frame.
Why would a sloping top tube have anything to do with proper bike fit?
Go by what effective top tube, head tube and seat tube angle you fit!

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