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Geometry and sizing across different brands?

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Geometry and sizing across different brands?

Old 09-08-04, 08:51 AM
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Geometry and sizing across different brands?

Hi all,

My old road bike had a 57cm TT and a 58cm ST. (C-C). I used a 9cm stem with it. Now i am planning to get a new bike, and i was looking at a bike with 55cm TT and 54cm ST to use it with an 11cm stem. I was told that if i go that way i ll have room for more adjustments in the future given more usable seatpost and ability to add/remove spacers.

According to wrenchscience, i should have a 66.5cm overal reach and be on a 54 or 55 ST frame. My inseam is 82cm, sternum notch 149cm. Any ideas? The 54x55 frame is in stock, whereas the next size up 56x56 is 4weeks to order. Will 1 cm make such a big difference?

PS. It is an Orbea Zona frame.
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