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Wheel Size(5 posts)

Wheel SizeJeff Rage
May 31, 2003 2:18 PM
Sorry if all my questions seem basic to everyone, but I am new to the road bike scene. I got my inseam measured today at 26". This really limits me to my choices. I was looking at the Giant TCR, which I fit snugly over, essentially having zero clearance. Cannoldale makes a R400 women's bike that has a low enough top tiube, but has only 650c wheels. What differences would I see between 650c and 700c wheels. Should this be a consideration?

Geez, I need to grow!
Get the bike that fits best.Spoke Wrench
Jun 1, 2003 5:48 AM
It's the motor. One of the things I've found hardest to explain to people is that the power that you are able to generate is what determines how fast you can ride. Spun out in your 53/12 on a long downhill, a 700c wheel will be slightly faster than a 650c. In all other conditions your speed will be the same. It's just a matter of finding the "sweet spot" gear combination.

On the other hand, the value of a bike that fits can't be over stated. Your fit on the bike will affect your comfort, efficiency and performance every single minute that you are riding. No other factor even comes close in importance.

It looks to me like the biggest drawback to riding with 650c wheels is that you're less likely to be able to borrow a spare tube from another rider, so carry two.
So, everyone likes 650c wheels?Jeff Rage
Jun 1, 2003 7:13 PM
I don't think I'll be getting the Cannondale, simply because of the smaller wheels. Also has only 8 gears in the cassette. Strange for a new bike, I would think.

Looking for a bike is VERY frustrating. They just don't make bikes for people like me. Unless I want to spend big bucks, of course. I may have to settle for a bike with zero standover clearance.
This is of absolutely no help whatsoever...bicyclerepairman
Jun 2, 2003 11:52 AM
but 650 wheels were used for the landing gear of First World War aircraft...hmm...maybe I should be posting this in the 'retro' forum...
This is of absolutely no help whatsoever...Jeff Rage
Jun 2, 2003 7:02 PM
I'm sold - THANKS!

I wonder, did the plane have Shimano components?