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If you have any concern after you got your order, let me know and I will fix as best as I can to make you a happy purchasing experience

1 years of warranty for proper usage only

The Crankset won't be included, this listing is for BB Bearings

Description

Ceramic bearing×2pcs

Bearing Material: P6 bearing steel
Ball Material: Nitrided Silicon Ceramic SI3N4
Enclosure:  2 Rubber Seals 

ABEC 5