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BMX Dirt, vert, flatland or street? Drop in the BMX forum to talk to other 20" riders around the world. What is the best BMX bicycle for you? Learn all about it here.

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Old 02-21-12, 07:08 PM   #1
slegary
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Sizing issues

I am a 5'1" girl, and a 20" bike feels to small for me. Is it, or is it just because I am use to slightly bigger mountain bikes.
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Old 02-22-12, 08:18 PM   #2
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Mostly because you're used to bigger bikes. I'm 5' 10", and a 20" feels perfectly natural to me.
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Old 02-26-12, 11:03 PM   #3
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I'd make sure your on a bike with a 20.25 or 20.5 inch top tube and you should fit it fine.
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Old 02-28-12, 10:55 PM   #4
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I'd make sure your on a bike with a 20.25 or 20.5 inch top tube and you should fit it fine.
Not always true. I'm 6' and ride an 18.75 top tube and love it.
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Old 02-28-12, 11:08 PM   #5
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Not always true. I'm 6' and ride an 18.75 top tube and love it.
Hah. But thats because you ride flat.
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Old 02-29-12, 04:05 AM   #6
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Hah. But thats because you ride flat.




I am thinking of going to the park and trying it out on the mini ramp to see how it works. The way I ride (grinds and deck stuff only), it should be fine.

If Sunday would ever release the Grape Soda Aaron Ross, I might get that or a Forecaster.
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Old 02-29-12, 12:16 PM   #7
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OOOOOOOH that would be awesome.
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Old 02-29-12, 08:32 PM   #8
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Not always true. I'm 6' and ride an 18.75 top tube and love it.
Whatever sizing charts I've always seen on-line 20.5 to 20.75 for someone 6' tall. As for 5'1" most any 20" bmx should work. BMX is different, seat is always in a lowered position so standing pedal is expected and rarely a seated pedal. I have a 20" wheel w/ 20.5 frame. I can't sit and pedal it. It's too small for me in that aspect, but I really can't tell any difference at 5'11" and standing, can't ride very far or very fast for any duration.

LOL, go with a 20" wheel size, you're closer to the ground so when you fall, it isn't 24" wheel and frame that is taller & off the ground.

Last edited by fuji86; 02-29-12 at 08:37 PM.
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Old 02-29-12, 08:36 PM   #9
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I'm 5'7'' and run a 20.5
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Old 02-29-12, 09:14 PM   #10
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Op hasn't responded at all, but more input from me.

How long are your legs in comparison to your torso? I have really short legs, which is also why a shorter tt feels ok for me. Just threw a bunch of spacers under the stem and threw on a nice tall pair of bars on. Comfy as hell.
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