TAB-RAP - SPROCKET-PINION RATIO TABLE

Poster table A3 format listing all the ratio calculations for sprockets (from 20 to 31 including those with 1/4 cog) and pinions (from 14 to 21).

Extremely useful for quick reference both on the track and in the workshop, or to avoid mistakes when purchasing online.

To make your search easier, our table also highlights the standard ratios most commonly used on various Italian tracks.