
I've only used the 5mm and 2mm sizes. The stem had to be raised a bit as the fork tube was maybe a millimeter higher than the top cap to fit properly, 2mm was perfect. So I removed the "extra" 5mm that was on the bike and added 2's and 5's for a clean, uncluttered look. I don't know what batch people got that was loose or sloppy on the fork tube, they fit very well. They only seem to be about 28.6 ID

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