or you could locate an older bmx chainring with one set of holes for 110bcd and another for 130bcd. you can get them in pretty much any size between 43T and 47T...so like, 44.5T, 46.3333T, 43.25T....ANY SIZE! YOU BUY IT!

i have a 44/16 on one bike right now. it feels GRRRREAT!