SammyJ 

I'm looking to compile a list of items that I should bring along "just in case" I have a flat or other problem.

One thing I always have is single pack of Hand wipes, you know, one wipe in a foil pack. For cleanup of hands after the work.

MattInFla

My probably incomplete list:

- Patch kit
- CO2 inflator
- Tire levers
- Bike multi-tool
- Spare tube
- 6' length of paracord
- Powerbar Gel

genejockey 

In my saddle bag:
2 tubes
Patch kit
Tire levers
Spoke wrench - if you break a spoke, you may need to adjust others to stop the brake dragging. It has happened to me.
Chain tool - If a derailleur cable breaks, you can break the chain and make your bike into a single-speed, just to get home. This has also happened to me.

On my frame - if it fits. It fits my steel bikes, but not my Plastic Fantastic Bianchi.
Frame pump

In my jersey pockets(if frame pump doesn't fit the bike)
Minipump
CO2 inflater and 2 cartidges
Energy bar

I'm leery of depending entirely on CO2 inflation. If you blow your spare tube and your backup - and that DOES happen - and you only have a couple cartridges, you're walking or making the Call Of Shame. Before cell phones were a convenient size, I once walked 2 miles in cleats because I got a cut in the tire, which blew the tube, and then the spare blew, and then the patched original tube blew. Now I carry an energy bar because the wrapper can be used as a boot to cover the cut, and get you a little farther.

softreset

- Government issued ID (Driver's License usually)
- Credit Card (for an emergency purchase)
- $20 cash (usually a ten, a five and five singles)
- Cell phone in a zip loc bag (I carry a burner phone, not my iPhone)

That's in additional to what you've already identified.

Shepp30 

I usually keep a tweenty dollar bill tucked away in my spare tube box...you never know. In addition to the usual things listed above, my cell phone and and some form of ID usually travels with me.

adrien

I got a fancy Lezyne pump that attached below a bottle cage. It is a hand pump but also a CO2 inflator, and has a bracket for one cartridge. When a flat comes, use the pump to get a little air into the tube, seat the tire, then unscrew the pump and screw in the CO2. If a second flat happens, you've still got the pump.

I rode around with it for two years and never used it. Last week, I used it twice in three days.

TrojanHorse

Saddle pack:
2 known good tubes
patch kit
3 CO2 bottles, with inflator
spoke wrench & multi-tool
extra master link for chain (although I don't have a chain breaker in the multi-tool I usually carry, that's a lack)
tire levers
tire boots (those park ones)

Jersey pocket:
Phone
cash
credit card
ID
snacks

Cychologist

I take only what I consider essential.

In my bag:
Multitool with only the three hex keys plus Phillips and blade screwdriver
2 tire levers
tube in ziplock bag with some talcum powder
CO2 inflator with 12" duct tape wrapped around it for emergency tire boot
2 cartridges
glueless patches (which I haven't used, only replaced, in at least eight years, or over 20,000 miles, so I might not carry them anymore)

In my jersey (inside ziplock bag):
Driver's licenses
cash, at least $40
iPhone
energy bar (or bars and gels for longer rides)

Major repairs like spokes and chains warrant a phone call. Hand wipes? That's why biking bids are already black.

jdfriesen

In my bag:
Multitool
2 tubes
3 tire levers
patch kit
chain link
latex gloves
CO2 inflator and two cartridges
pressure guage
$20
small pump (on frame)

In jersey:
phone
gels (if going on a long ride)

I don't carry ID with me (except when commuting when it's in my wallet in my backpack) as I instead wear a RoadID.

tunavic

That's a lot to fit in a saddle pack. Which one do you use and what size?

IAMAMRA

Patch kit with tire levers, bike specific multi tool, adjustable wrench, frame mounted pump, planet bike pencil tire gauge, some cash, my wallet/phone, and plan to add a spare tube.

genejockey 

I came up with my list before cell phones were convenient, and indeed a number of the places I ride took a while to have decent reception. I could probably do with less, but having at one time or another needed each of the items, I err on the side of caution.

kjmillig

Tool roll in my trunk bag holding:
Tire levers
tube
multi tool that includes a chain tool
patch kit
folding knife

On the frame:
Mini pump.

On me:
cell phone
ID (not my drivers license)
Sometimes about $10 cash

KBentley57

in order of importance,

spare tube
co2 inflator
tire lever
patch
multitool

chain malfunctions are rare compared to the frequency of flats.

on me, in a plastic bag,
cell phone, usually for GPS
drivers license
insurance card
blood type card
contact info card

cliff bars for > 15 mile rides
a goo if handy

mprelaw

You know, I never thought of carrying my health insurance card, and you're absolutely right about it. I carry ID and a debit card, but not my insurance card. Last time I'll overlook that.

TrojanHorse

Nah, it's not really that much and it scrunches up pretty good. I have no idea what pack I'm using and I'd call it "medium". it's larger than my wife's small timbuktoo and smaller than my son's large timbuktoo.

Oh - one other item. I have a Road ID with my particulars on it. You could put your medical coverage on there too if you want, I just want somebody to know who to call in the event I'm splattered across the road. Heck, even if i were riding with people I know, it's unlikely they'd know my wife's name or number.

CommuteCommando

Seat bag
-2 tubes
-tire levers
-CO2 inflator w/2 carts

Jersey
-1 Clif Crunchy Peanut Butter/30 miles
-Wallet
-Cel Phone in plastic baggie

Wrist
-Road ID
--My Name
--Hometown
--Wifes name/Ph#
--Medical Insurance #
--Cardiac Stents
--Old guys rule.

ill.clyde

+1 on the Road ID ... reminds me, I need to update mine

MRT2

I like to be prepared, but maybe not as prepared as some here.

Spare tube
tire levers
multi tool
phone
money/credit card
ID
frame pump
cliff bars
napkins (for wiping sweat off sunglasses or if need to deal with a derailed chain, wiping off hands)
U lock or cable lock (depending on where I might be stopping). I have a large bag that mounts on a front rack so I actually have room for a U lock if I need it.

ill.clyde

For me it depends.

On a typical road ride:
Topeak Road Morph G on the frame
Seat bag:
A tube
Patch kit
tire levers
packet of chamois cream
Maybe a multi-tool
Always have my phone with me (usually stashed in my Bento)
Road ID

Commute:
Carried in my backpack
Ulock
wallet - ID, cash, CC
Road Morph G
tube
tire levers
patch kit
multi-tool

On long road/training rides I'll bring along a snack or gels

adrien

to an extent it depends on route. If it's long, involves gravel and few if any buddies, then I take more. More food, more tabs (to add to water, which you can almost always find), a second tube, a jacket.

ericy

Multi-tool (which has spoke and chain tool included).
Two or more good tubes.
Patch kit.
Frame pump.
CO2 pump.
No tire irons (haven't used those things in years).
Cell phone.

Depending on which cycling shoes I am wearing, a pair of sandals or some such that are comfortable for walking (my Sidi's are horrible to walk in). My MTB shoes are good enough for walking in that I don't bother carrying the extra shoes..

Daspydyr 

I take a pretty good first aid kit in addition to items mentioned here. Eye wash, 4"X4" gause pads, iodine swabs, tape. Ready for major road rash or when mountain biking a face plant in a bad situation. Not just for me, for anyone.

StephenH

Golly, let me think...
Spare tire on the tandem.
2 spare tubes, sometimes just one on the single bike
Patch kit
Little roll of small wire
Multitool
4" vice grips
Cleat screws
1 old cleat
Chain tool
Chain quick links
Several spare links of chain
Small size sunblock
Very small cheap pocketknife
Trash bag
Tire tools
Tandem length shift cable (fits your bike, and somebody else's tandem or recumbent)
Spare stoker cleat for the tandem
Fiberfix spoke kit
Electrolytes
Painkiller
And perhaps a few other small odds and ends thrown in.

Black wallnut 

Many are over thinking this. I carry the following n my road bike:
one spare virgin tube
2 co2 cylinders plus tool
one tire lever
a couple of patches
a Park Tools hex key set
a tube of body glide
patch cement
tube patch rasp that comes in the patch kit

On the frame I have a small pump.

Formerly I had a much larger seat bag and carried all that plus:
another tube
two more tire levers
6" adjustable jaw wrench and two full size allen wrenches.

My bike wears Spesh Armadillos that have proven to be mostly flat free.
I had one fail this summer due to a seperation at the bead. I was able to replace the tube, inflate to about 70 psi and limp to the bike shop for replacement.