Sounds fun, Catrin! I love camping out there.
Most of the extra stuff DH and I bring are related to cooking/eating, e.g., plates, bowls, and utensils, the food itself, a camp stove, and stuff to clean up with, including dishsoap, towels and a bucket. I always try to think through the prep for each meal so that I don't forget anything. What are you doing for food?
Beyond that, I'd bring your floor pump, extra lube, and a rag to wipe down your chain. Your bike will get incredibly dusty from the trails right now.
Live with intention. Walk to the edge. Listen hard. Practice wellness. Play with abandon. Laugh. Choose with no regret. Continue to learn. Appreciate your friends. Do what you love. Live as if this is all there is.
--Mary Anne Radmacher