I have Grandma's purse strapped under my saddle, that bad boy has everything but a tissue with some spit on it for clean up. I mostly ride alone where cell service is spotty so self rescue is the deal.
2 tubes
Patch kit w/ booting material
Duct tape on a section of pencil
2 tire levers
3 16g Co2 cartriges
Inflation head with variable flow knob
Bead jack
Zip ties
Spare RD jockey wheels & bolts
Quick links 8,9 & 10 speed (I have vintage bikes)
Multi tool w/ chain breaker, torx, allens & screwdrivers
Leatherman micro multi tool
8mm open end for old Campy cable anchors
3,4,5 & 6mm regular Allens (in case the multi tool won't get where I need to be)
Spoke wrench, multi size
Rubber gloves
20 bucks in folding money
