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Old 07-15-2021, 04:41 PM   #626 (permalink)
COcyclist
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Join Date: Dec 2007
Location: NW Colo
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TDi - '04 VW Golf
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Quote:
Originally Posted by redpoint5 View Post
Why did wheel sizes increase? If larger is better, why didn't manufacturers simply start from a larger wheel?
More of the population lived where the roads were poor? It is really easy to ruin a low profile tire/rim on bad roads.

Suspension has gotten better? A tire with less sidewall depth generally rides harsher. There was a time when Americans wanted comfort over performance.

The real reason probably has to do with aesthetics. People want big rims with low profile rubber and huge disk brakes to look like a race car.
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Quote:
Originally Posted by freebeard View Post
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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