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Return& Item Quality control:
1 year warranty  

Lower Bearing + Upper Bearing for Pinarello Tapered 1 1/8" - 1 1/2" Headset

2 Types of Bearing Option:
Steel：

Race Material: P6 bearing steel
Ball Material: P6 bearing

Ceramics:

Race Material: P6 bearing steel
Ball Material: Nitrided Silicon Ceramic SI3N4

Fit with 1 1/8" - 1 1/2" Headset for: 

Pinarello 

2012~2013 Version of  Dogma 2； Paris 50-1.5, ROKH, Quattro& FP Due; RAZHA;