American bottom bracket set (also works with mid bottom bracket frames - you just don't use the large cups)
This is for 3 piece sealed bearing cranks with a 19mm spindle
Standard: American (for 51.5mm diameter X 68mm wide press in bottom bracket shell) and Mid (for 41.5mm x 68mm wide press in bottom bracket shell)
Spindle size: 19mm
Includes cups, bearings, and spacers as shown.
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