I used a heavy duty cut-off wheel to carve a square hole in the bars. Then I used a grinding wheel to make the ends round. The tubing used in the bars is much thicker than I was expecting for $18. The first hole I did was one of the ones at the hand controls. These get covered up by the controls so nobody can see how bad I butchered them. I used this first one to perfect my technique. The other two went much smoother now that I had a process. It still took a long time though. Finally, I used one of the small sanding drums for the Dremel to clean up the holes and remove all of the sharp edges. I will have to remember to coat the edges of the holes with something to keep them from rusting.


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