Will not rust, and lasts 5 times longer than common ceramic bearings. Complete bottom bracket for BB90 frames. XD-15 angular contact hybrid ceramic bearings. Nitrogen steel races with grade 3 silicon nitride balls.
Brand: Enduro
Model: XD-15 BB90
Length: 3
Width: 3
Height: 1
Weight lb: 0.14
Part Number: BKC-0595
Barcode: 810191013655