BICYCLE TYRE SIZES: CONVERSION CHART

 

 

WHEEL RIM DIMENSIONS

Here’s a handy 1911 reference guide for the rim dimensions on 26″ and 28″ wheels, both wired-edge and beaded-edge.

 

MODERN TYRE SIZES

Bicycle tyre sizes are so confusing! Vintage motorcycle tyres are logical, those for cycles are not. Here’s a chart to help…