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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 12-14-11, 04:06 PM   #1
side_FX
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Funky cyclocross sizing

I get it that cyclocross bikes are going to have higher stand over heights, etc. But I still can't see how this works. I am 6 foot 2 with a 31 in inseem. I don't think that sounds too weird, does it? But if you look at the Giant TCX, that translates to a 53 cm frame.....the smallest one??? What if you are a dude standing 5"7 to 5"10? Am I missing something?
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Old 12-14-11, 04:30 PM   #2
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Have you straddled real bikes , or just data?
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Old 12-14-11, 04:52 PM   #3
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I think you've got short legs, and yes that probably translates to the smallest frame. I'm 6'2" and have a 35.5" inseam. Yeah, my legs are long, but I also know that 31" isn't average. I can fit on a 60cm frame but typically ride a 57-58 depending on what's available. I'll change the stem if my riding position isn't quite right.

Go sit on a bike and figure out how it feels. You can change stems so easily that if you need to, change it out to a longer stem. A good LBS will recognize this and probably just exchange it.
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Old 12-15-11, 02:01 AM   #4
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And set up the saddle backward max.
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Old 12-15-11, 09:20 AM   #5
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Do you mean pants inseam, or "cycling inseam"? There is a significant difference.
http://www.rivbike.com/kb_results.asp?ID=39

6'2" and 31" PBH would be very unusual. I'm 6'0" and 35" PBH, which is almost exactly the average PBH for people of my height, based on bikefitting.com's database.
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Old 12-15-11, 01:39 PM   #6
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Unless you plan on just straddlewalking your bike around instead of riding it, dont obsess over the stand-over height. Fit the effective top tube length to suit your upper body.
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Old 12-15-11, 01:42 PM   #7
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Quote:
Originally Posted by GrayJay View Post
Unless you plan on just straddlewalking your bike around instead of riding it, dont obsess over the stand-over height. Fit the effective top tube length to suit your upper body.
This.
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Old 12-15-11, 02:42 PM   #8
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I am 5'9" and have a 34" inseam, everyone is different and you have to find a bike that fits you. i ride a 54.4cm top tube and have to use a few more spacers than is "cool" to get my bike ot fit properly, and i still have a lot of saddle to bar drop.
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Old 12-15-11, 04:02 PM   #9
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OP has to put up with an off the peg frame not being quite right,
until ponying up for a made to measure one ..

Try stuff , test ride at the Shop.. change components as needed..
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Old 12-15-11, 05:33 PM   #10
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OP, I'm built similar to you but not as extreme being 6' with a 31 inseam. Both my bikes are 54 and fit me quite well. I do not have a whole lot standover clearance but it is enough. You can play with the stem length a bit but expect a pretty snug fit on the standover clearance compared with those with more conventional body types.
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