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Need a suggestion on GIANT bicycle frame

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Need a suggestion on GIANT bicycle frame

Old 04-16-16, 03:07 PM
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WClark
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Need a suggestion on GIANT bicycle frame

So I am a little confused with the GIANT's sizing guide. I am wanting to purchase Giant Defy Composite 3 Road Bike. This size guide shows two arrows with different size suggestions for this type of bike. Would extra small fit someone who is 5'5 with short legs? The one I am looking to purchase is extra small. This is where I found the chart: https://www.giant-bicycles.com/_uplo...frame_size.pdf
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Old 04-16-16, 04:57 PM
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There is commonly overlap in sizing, and most riders can fit more than one frame size depending upon preference. Giant is saying that a typical person your size can go either way. The larger size should in theory result in the bars being slightly higher relative to the seat than the shorter size. You might need to shorten the stem though. Are you able to try the bikes for size at a shop?
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Old 04-16-16, 05:38 PM
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Sadly no. But I have shorter legs than most people my size. But that is good to know there shouldn't be much of a difference
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Old 04-16-16, 11:09 PM
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I can't recommend anything more than a bike fitting with your purchase. My LBS includes a fitting with any bicycle purchased from them. Until I had a professional fitting I had no idea how incorrect my perception of what the correct bicycle size was. Once I was convinced to buy a medium large rather than a large the fitter changed my stem and seat post. The fitter also adjusted my cleats and pedals and very slightly changed the position of my hoods which eliminated hand numbness I'd suffered from for many years after rides in my left hand. I never mentioned the numbness and I didn't even realize it was gone until the third time I rode the bike. Until that time I'd always blamed the numbness on a broken wrist I'd suffered as a 12 year old. The fitting process was pretty detailed and took about 75 minutes. I can truly say that I'll never again perchase a bicycle without a professional fitting. Before you spend your hard earned dollars please strongly consider purchasing from a shop that will fit you to the bike. The chart on the Giant webpage is only a starting point. And let me prematurely congratulate you on your choice of a Defy 3, it's an awesome machine.

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Old 04-17-16, 02:01 PM
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Originally Posted by Compositions View Post
I can't recommend anything more than a bike fitting with your purchase. My LBS includes a fitting with any bicycle purchased from them. Until I had a professional fitting I had no idea how incorrect my perception of what the correct bicycle size was. Once I was convinced to buy a medium large rather than a large the fitter changed my stem and seat post. The fitter also adjusted my cleats and pedals and very slightly changed the position of my hoods which eliminated hand numbness I'd suffered from for many years after rides in my left hand. I never mentioned the numbness and I didn't even realize it was gone until the third time I rode the bike. Until that time I'd always blamed the numbness on a broken wrist I'd suffered as a 12 year old. The fitting process was pretty detailed and took about 75 minutes. I can truly say that I'll never again perchase a bicycle without a professional fitting. Before you spend your hard earned dollars please strongly consider purchasing from a shop that will fit you to the bike. The chart on the Giant webpage is only a starting point. And let me prematurely congratulate you on your choice of a Defy 3, it's an awesome machine.

Thank you for this information. Sadly there is no nearby bike shop. I am looking for just a begining bike to see if this is something I would like to get into further. The bicycle i found is a smoking good deal, and would easily be turned around if it did not work out. I just wanted to see what people's thoughts might be on this sizing guide. I would eventually like to move up if I do enjoy this
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Old 04-17-16, 09:53 PM
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I second the fit. I always go by the rule that you can make a smaller frame bigger but you can't make a bigger frame smaller. Meaning, you can have a smaller frame and raise the seat, put a longer stem on it, etc. to compensate and make the bike "bigger." It's harder to make a larger frame smaller as there is only so much room to adjust down (seat post being a good example). My two cents for what it's worth.
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Old 04-18-16, 06:34 AM
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Originally Posted by WClark View Post
Sadly no. But I have shorter legs than most people my size. But that is good to know there shouldn't be much of a difference
In that case I'm thinking the larger size would be better. The easiest thing to adjust for on a bicycle is leg length. If you have short legs that means that more of your height is torso so I'd think you'd appreciate more reach and height to your handlebar.
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