Ritchey logic threadless 1in headsetritchey strive for at least 2 x the standard laid out by cen the european committee which determines minimum safety standards for bicycles and components sold in europe by the time you put a ritchey product on your bike it has passed a global testing and approval process second to none features material crmoplastic upper fit ec3025 4 lower fit ec3026 ball bearingsbuyritchey componentsfrom chain reaction cycles the worlds largest online bike s