Originally Posted by schwalbe
Tires with a smaller diameter have a higher rolling resistance [than tires with a larger diameter] with the same tire pressure, because tire deformation is proportionally greater. In other words the tire is “less round”.
But the site goes on to show how rolling resistance is negligible in relation to other resistances.
Also, wider tires have less rolling resistance than narrow tires...when both are inflated to the same pressure. But narrow tires can be inflated to higher pressure.
From the
Schwalbe site.
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Last edited by timo888; 11-23-08 at 06:20 PM.