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Old 03-10-13, 04:13 PM   #1
UMassAm
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road to mountain sizing

quick question. what size mountain bike frame should i generally look for if i ride a 52-54cm road frame? I'm 5'8".
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Old 03-10-13, 05:59 PM   #2
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Mountain bike sizing has less hard and fast rules than road sizing. Some people like their bikes on the smaller side, others like theirs larger. Medium-ish frames are probably a good place to start, but really, try a bunch of bikes out in different sizes, because differences in geometry plus personal preference will make a big difference.
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Old 03-10-13, 08:50 PM   #3
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I start with inseam, what is yours. Sounds like a 17 to start with, but this link might be the most helpful

http://www.competitivecyclist.com/za...LCULATOR_INTRO

It helped me.
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Old 03-11-13, 11:53 AM   #4
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I agree with both posters above, I'm 5'8" or just a tad taller. I've been told by bike shops to ride a 17" frame and those that don't have a 17" go for a 18" frame. My first two MTBs were both 17" frames.
However, I now ride a 15.5" hardtail and a 16-16.5" dual suspension frames that have slightly longer top tubes. When I brought the hardtail into two different bike shops, they both said that I had a problem because the frame is too small for me. But I find I like it better. It's a personal preference to ride the smaller frame.
If you're new to MTBs, I'd play it safe and go with a 17" "medium" frame. Most of my freinds that are around 5'8" ride medium frames.
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