Actually, it's cracked on all four sides, plus there is a thin hair crack showing on a side of the main stem (it's on the other side of the pic, near the base on one of the flat sides that are CNCd) So I sent it out to Hope, they said they had to check it out before saying anything (cap could be cracking because of overtightening, but the bulk of the stem must be material flaw (I never crashed directly on that stem, only poked my ribs with it ) But still, after two years of riding quite a lot, that's quite good. Will go for the same stuff.