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Old 07-01-08, 06:55 PM   #1
Thurnau
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Bike sizing questions

How do I know what size bike I need? If the LBS isn't all that helpful, and betrayed my trust, what are some rules to go by?

I am slightly over 6'3", and 6'4" with shoes. I tried following Shelden Browns advice when adjusting my seatpost for height, and it is high up there. I am wondering if I bought the wrong size, and which size should I consider on my next bike purchase.
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Old 07-01-08, 06:58 PM   #2
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sheldon says that you should have your legs fully extended without wobbling side to side. I almost need a rolling start to mount it when my seatpost is that high.

My LBS sold me a 19 inch frame, then later let me swap it out for a 21" trek MTB
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Old 07-01-08, 07:38 PM   #3
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Find another shop
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Old 07-01-08, 08:28 PM   #4
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Originally Posted by Thurnau View Post
sheldon says that you should have your legs fully extended without wobbling side to side. I almost need a rolling start to mount it when my seatpost is that high.

My LBS sold me a 19 inch frame, then later let me swap it out for a 21" trek MTB
Read this from Sheldon Brown and pay attention to the video clip Starting and Stopping

Did you read this from Brown? Revisionist Theory of Bicycle Sizing

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Old 07-01-08, 08:48 PM   #5
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Read this from Sheldon Brown and pay attention to the video clip Starting and Stopping

Did you read this from Brown? Revisionist Theory of Bicycle Sizing
So I have been kicking it cowboy style lol.
I will work on that. First my bike was too small feeling. I can almost flat foot if my seat isn't up very high. I leaned cowboy style when expanding my seat post so my legs can fully stretch out while pedaling.

As to the bike sizing, I understand that bikes have a dishonest or inconsistent sizing techniques. I did read that. Is there a more simple guideline?
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Old 07-01-08, 08:56 PM   #6
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Find another shop
I bought my bike from a shop that was recommended, and respected in the area. My sales person must have been slightly green. I visited a second shop in the area, but it recently opened and the guy was young. I went there to look at a brooks saddle which was recommended to me from other forum members and the sales person put down on it. I got this second bike stores location from the Brooks Website. I do not think I'd get proper service, unless an experienced tech or the owner would help me.
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