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One With Upright Bars

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I'm looking for a vintage Schwinn similar the my World Sport. Standover height from the ground to the top of the top tube is 34-3/4" From center of bottom bracket to center of top tube is 23". What size frame is that? I am not buying a new bike so that precludes being fit by a professional. I have 32" inseam. I do not want drop bars because that is bad for my neck after a short ways. The furthest I ride is 13 to 15 miles. I do want 27 X 1-1/4 wheels. 10 or 12 speed is fine. Would consider replacing drop bar w/upright.

The seat is even lower now than is shown in the picture.

70s_schwinn_world_sport_10_speed-jpg.jpg
 
I'm looking for a vintage Schwinn similar the my World Sport. Standover height from the ground to the top of the top tube is 34-3/4" From center of bottom bracket to center of top tube is 23". What size frame is that? I am not buying a new bike so that precludes being fit by a professional. I have 32" inseam. I do not want drop bars because that is bad for my neck after a short ways. The furthest I ride is 13 to 15 miles. I do want 27 X 1-1/4 wheels. 10 or 12 speed is fine. Would consider replacing drop bar w/upright.

The seat is even lower now than is shown in the picture.

View attachment 1864762
I do believe I have a bike that you would like. I have multiple frame sizes of 27”x1 1/4 bikes that would fit you fine pm me with what you want for parts and we can go from there.
 
Your inseam, your height and your arm length all come into play here. You should be able to straddle the bike, feet on the ground, and have at least an inch of daylight between the top tube and your crotch. With the ball of your foot on the pedal in the saddle, at six o'clock, you should have a slight bend in your knee. With your hands on the grips and sitting on the saddle, you should have a slight bend at your elbows. When turning the bike, you don't want your shoulder lunging forward and your arm completely extended. All of this being said, I'm a little under 5'9" and have a 33" inseam with average arm length and a short torso, and I'm very comfortable on a Schwinn 21" frame. Touring bars will put you in more of an upright position. Most of Schwinn touring bar offerings were pretty heavy, unless you luck into a Paramount Tourist or maybe a Continental Tourist. I'd look into modifying a Sports Tourer or Super Sport. Raleigh made a Super Tourer, but they are like hen's teeth! Good luck with your hunt.
Mike (kostnerave)
 
since you do not want drop bars and like a more upright position you can buy a bike smaller than the "1 inch between the bar and your boys" standard.

I put taller handlebars and shorter stems on both my "modern" bikes. which fit just fine for the riding they were meant for when I bought the 39 (roadbike) and 27 (mountain bike) years ago.
 
My Schwinn measures 23" from center of bottom bracket to the top tube. Does that make it a 23" frame? That's measured vertically. Measure seat tube length instead?
 
My Schwinn measures 23" from center of bottom bracket to the top tube. Does that make it a 23" frame? That's measured vertically. Measure seat tube length instead?
Yes, measure the seat tube to get the frame size.
Your bike definitely looks bigger than a 23", which will generally have a stand over height of about 33", significantly shorter than your almost 35".
 
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