I am planning on doing part of the TAT from Oklahoma west, in June, and then back. I will be on the road for 3 to 4 weeks. For all you experienced TAT riders: do y'all bring extra tires, or just patch repair kits. I am on a DR650 with Pirelli MT21 tubed tires. I see ride reports where some guys bring tires, but that may just be for RTW trips?