>>1334919>rear rack and get a bagI like racks with a double bar like the Tubus Logo. It'll carry the weight of side bags lower and you'll be free to mount a racktop bag or a milk crate or whatever. But that's assuming you want side bags. As for bags, it kind of depends on what you wanna carry. There's side bags: these are good if you want to be able to take them off the bike and might want a lot of capacity. They have racktop bags for if you don't need too much, just like a lock and pump and lunch. There's racktop bags that have side bags that unzip and fold out, they're not as good but nice if you only rarely need extra volume. You can also zip tie a milk crate to the top of the rack and just throw a backpack in there, maybe keep some straps if you think you might want to hang something off the side.
>need a cap for the thingYou have presta valves, so there's no need for valve caps. The screw bit is more than sufficient.
>need an air pumpPortable or a floor pump?
>good bicycle lockA u lock and a cable is good. Use the U to lock your rear rim anywhere inside the rear triangle, or if you can also fit your seatstays in there is good. Use the cable to lock your front wheel. Abus, Kryptonite, OnGuard, pretty much any of the big names are good, get something at least mid-range.
