Trek 750 frame sizing
12-26-19, 10:01 AM
#1
Junior Member
Thread Starter
Trek 750 frame sizing
How are these sized? Are the center to center or center to top of seat tube? The one I have feels like a 17, but all measurements outside of C2C align more with a 19 inch from treks spec sheet. This is a 97 750 multitrack.
I have had similar 720 and 730s in the past but they were earlier models and had riser vs flat bars. So I wasn't sure if maybe they made these slightly different. I would assume not, and have never had this much issue in my life. I feel like a dip
I have had similar 720 and 730s in the past but they were earlier models and had riser vs flat bars. So I wasn't sure if maybe they made these slightly different. I would assume not, and have never had this much issue in my life. I feel like a dip
12-27-19, 04:59 AM
#2
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The numerical size is the measurement (in inches) of the seat tube, from the center of the bottom bracket to the top of the seat tube. My '97 750 is a 21", and the seat tube measures exactly that.
12-27-19, 06:56 AM
#3
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Yeah, someone else directed me to the 97 catalog where it has there geometries at the bottom. Originally I didn't scroll all the way down to the back pages so I've been using the mechanic spec catalog that has no diagrams. These def fit differently then the other models I have ridden in the past. Thanks
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01-26-20, 07:09 AM
#4
Junior Member
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Does your 750 have that stamped on the bottom bracket too? Mine is stamped 750 19 B10407
