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Old 10-26-10, 02:37 AM
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Location: Australia
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Bikes: Giant CRX3, Trek 7100

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I have a 27 speed with 700 diameter wheels and I rarely get onto the big chain ring. Top speed is usually on the middle ring with the 7-8th sprocket. Uphill I am on the small ring and typically 2nd sprocket. I'll have to count teeth and do some calculations if you need a speed. Probably of the order of 10 mph I suppose.
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