One thing that is useful to do is if you take a close look at a worn chainring (indicated by the teeth profile tending towards a point) you notice that the wear only happens over a section at 90 degrees to the crank arms due to where the power stroke is applied. It is possible to rotate the chainring though 90 degrees AND replace the chain which can save getting a new chianring each time
One thing that is useful to do is if you take a close look at a worn chainring (indicated by the teeth profile tending towards a point) you notice that the wear only happens over a section at 90 degrees to the crank arms due to where the power stroke is applied. It is possible to rotate the chainring though 90 degrees AND replace the chain which can save getting a new chianring each time