How to increase friction on knurled outer face of dropout
the knurled nut and dropout outerface have been worn down significantly， and it does not hold the axle in position as firmly as before, should I use a tool to knurble the dropout ? will this get the dropout bent slightly? what tool gonna to use? what else can you suggest?
Last edited by box opener; 08-14-17 at 07:02 AM.