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Is fatter faster? GCN investigates the wide-tire trend

The trend toward wider tires and rims on road bikes will provide more comfort and better traction — but is fatter actually faster?

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We can all agree that the trend toward wider tires and rims on road bikes will provide more comfort (thanks to lower pressures) and better traction (more rubber) — but is it actually faster to go fatter? Global Cycling Network investigates.