julio 25, 2026Publicado Por En julio 25, 202641mm/52mm Headset Ceramic Bearings for 1 1/8-1 1/2″ Tapered HeadtubeLower Bearing + Upper Bearing for Pinarello Tapered 1 1/8" - 1 1/2" Headset. Ball Material:Nitrided Silicon Ceramic SI3N4. 2 Types of Bearing Option Race Material: P6 bearing steel. Ball Material: P6 bearing.