I am set up to fix flat tyres when flying solo; so have a jack (0.5kg by Peter Anson Engineering), two bottles of repair foam for tubed tyres (0.3kg each), two tubes, tube repair kit, spare valves and removal tool and the necessary tools to remove wheel and disassemble the wheel; and a pump. Mine is split rims and easy to get apart. I've been involved with Savannah tyre changes and re tubing and there are a problem to get tyre bead off the rim, real hard and near impossible. I say be able to do solo as you need to get wheel off the ground and a rock under the leg if you don't have a jack or a support. The P3 is great for a quick fix, get you going and about $26 a can.