Originally Posted by
Sy Reene
Looks at least near the bar ends that you overlapped too much -- you should be only overlapping about 1/3 of the tape width -- in some areas it looks like you've overlapped about 2/3rds of tape width.
This.
Most bar tapes will have some mark or such that will allow you to determine where 1/3 is, and ever time you go around the bar, you just hit that mark.
In this picture, you can see that this Fizik bar tape has 7 rows of perforations - 2 rows of small holes, 3 rows of bigger holes with white backing, and another 2 rows of small holes. As I wrapped, I put the trailing edge over the 2 rows of small holes on the previous layer. Because the tape is tapered on the edges, this yields a more "cylindrical", smooth surface.
Also, generally it's recommended to wrap toward the outside as you come over the top of the bar. I don't know if it's necessary, but it's what I do.