Here is what my riding pack has in it today. I have broken it down to 4 main categories. Hopefully you find this helpful.
Survival
Water 3 liters
Food/snacks
Phone
Garmin in-reach
Fire starter (2) Magnesum stick - lighter
Fire starting fuel
Life Bivy
Life Straw
Rain jacket (weather dependent)
Tools
Steel Stick
Master link
Screw Drivers
Plug kit for Tubliss
Tire iron for tubes
Pliers - wire cutter
Tire gauge
Tire pump
Sockets
Allen keys (wrenches)
End wrenches
Wrench for axle
Y handle sockets driver
Lighter
Zip ties
Tow strap
Bungee tie straps
Extra levers
Spark plug
Medical pack
Israel bandage
Gauze for bleeding
Athlectic tape
Regular bandages
Athletic wrap
Skin glue
Clotting sponge
Ibuprofen - medication
MISC
Wipes for my goggles
Trail saw
Drone
Camera
Helmet light for emergencies and night rides
Extra gloves
Wet wipes
Battery pack for phone and GPS