Bicycle First Aid Kit

Following are the components for an on-bike first aid kit:

2 Three inch Gauze Pads
2 Large Band-Aids
4 Regular Band-Aids
3 Large Safety Pins
1 Three inch Gauze Roll (Wrap the other components in the roll)
Optional: Benadryl Tablets, Tylenol, Polysporin ointment

A water bottle could be used to wash off any wounds or abrasions.
A pump could be used as a splint.
A cell phone is also very handy.

Courtesy of the Sacramento Wheelmen.