They're designed to take huge strains when on the track
On bigger chainrings than 42t, and shock loads from skidding can easily exceed the starting loads of world class sprinters; a simple way to see why this must be so is to look at how rarely kilo riders get wheelspin off the line.
On bigger chainrings than 42t, and shock loads from skidding can easily exceed the starting loads of world class sprinters; a simple way to see why this must be so is to look at how rarely kilo riders get wheelspin off the line.