1) Toolkit (very small when bundled up):
- Pedro's tire levers
- "Dogbone" wrench
- 3 and 8mm allen keys, and a 5mm pin-in-socket allen key for the security skewers and general tinkering
- Bike tire gauge.
- small reversible screwdriver (phillips/slotted)
- Spoke wrench
2) Leyzene Micro Floor Drive Pump (switching to a CO2 "Air Chuck" later in the week. Heavier, but much smaller.)
3) Spare tube
4) Eagle Creek inflatable travel pillow. (essential for the train ride. Sooo comfortable, it's unreal... and two breaths really do fill it.)
5) A pair of bungie cords and a bungie net - may supplement or replace with some Coleman camping straps soon.
6) Moleskine and pens.
7) Spare set of keys
8) Small towel
9) a few pairs of disposable gloves (essential for when you drop a chain or need to swap a tube.3)
10) Rain-cape if rain is forecast.
11) Eagle Creek 15" Pack-It folder with a change of clothes if I don't already have them in the office ( I usually, but not always, drive in on Sundays when the trains aren't running, and bring in my clothes then. )
12) 15" notebook PC if I need to sync the home and office computers on the office network
13) Big ol' book - trade manual or a paperback.

Stuff I should have, but don't yet:

- First aid kit
- Patch kit
- Spare chain and 5mm bolts.
- Small set of pliers
- Spare derailleur cable
- Spare cellphone battery
- Small digicam w/ movie function