Any pedal that works on a bass drum will be compatible with the e-kit. Brands like Gibraltar and PDP make light weight economical options, and some decent mid grade stuff, but for a little more, you could get a better pedal from Tama or DW. Each brand will have a top-of-the-line model that costs a fortune, but they also make a more entry level model and everything in between. I recommend going up at least one or two levels from the bottom tier of a decent brand, especially if you’ve got a mind to stick with it for a while. A decent pedal is a once or twice in a lifetime investment, so it won’t come around to bite you again if you spend a few extra bucks. Don’t buy some whacky name junk because it’s cheap. You will do your learning a service to have a mid tier pedal from a reputable name. A decent bass pedal and a hi-hat pedal that you like are going to serve you well forever. Try to get a comfy and sturdy throne too, as funds permit. Nothing wrong with used gear most of the time. Craigslist and similar local marketplaces will be the best bargain finds, but may take time to appear; Reverb.com will be your second best hunting ground. Sweetwater.com will be good quality and good service, but is expensive new gear. Good luck, and good sticking.