Headset parts - FSA

Various replacement headset parts for 1" Full Speed Ahead Duron X and Orbit X headsets. ------ Aluminum crown race 26.4 mm crown race ID Since the crown race for the FSA Duron headset is lightweight aluminum, it is not reusable if you have to take it off (unlike steel headsets that are heavier but less prone to getting damaged if you have to take them off).  So, get your replacement FSA Duron/Orbit crown race here. ----- Rubber O-ring for the 1" Duron X and Orbit X headset.  ---- Cartridge Bearing model: TH MR050 1" 36° x 36° 372# B5 Outside Diameter: 38.5mm Inside Diameter: 27.2mm Height: 6.5mm Inside Angle: 36° Outside Angle: 36° TH Code: MR050