Ritchey Pro/ Comp Headset Bearing Ritchey strive for at least 2 x the standard laid out by CEN (the European Committee which determines minimum safety standards for bicycles & components sold in Europe). By the time you put a Ritchey product on your bike, it has passed a global testing & approval process second to none
Features: Contains 1 bearing 2 angular contact Pro bearings for Ritchey 1.1/4 Tapered Headsets Outer Diameter: 46mm/46 9mm Inner Diameter: 34 1mm Angles: 45D/45 D Buy Ritchey Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.