The widget calculates the number of skid patches of your fixed gear bicycle using data of the chainring and the cog.

Some chainring/cog combinations would cause the same patch/es of the tyre to be worn every time you skid. Thus, your tire would be worn down to the canvas at the skid point long before the rest of it. This widget will help you to determine a combination that leads to a more even wear.

Feedback to: System.out.println [at] web.de