Clothing4 T-shirts,2 Pants would be more than enough
A thermal inner
Gloves (Biking with thermal insulation)
A monkey cap
A jacket that works at 5 degrees
A Pair of normal comfortable shoes.
Maximum pair of socks
one pair of woolen socks.
Extra set of tire tube.
Get a carriage fixed on your bike if possible.
DSLR in this trp is a must .
Get Extra DSLR Battries.
An Action Camera
Monopods selfie sticks etc
Get juice (tropicana,real etc)
Something for Acute Mountain Sickness (AMS)
USB portable charger
Fuel Canister ( 5 ltrs ) minimum 2 per bike.
Always keep one liter of water per person and keep it refilling where ever possible.
Finally , enjoy and have a fun road trip!
And remember Thrill doesn't kill, but carelessness might.
Click here for detailed guide for the trip.