686 LLB Enduro Zero Ceramic Bottom Bracket Bearing 6mm x 13mm x 5mm Shields Inside length: 2591mm / 102

Inside length: 2591mm / 102 inches

Weight (Kg): 6

Dimensions: 21mm (Bore) × 29mm (Outside Diameter) × 16mm (Width)

Inside length: 2322mm / 91

and general industrial applications requiring reliable shaft support and low-maintenance operation

686 LLB Enduro Zero Ceramic Bottom Bracket Bearing 6mm x 13mm x 5mm Shields Inside length: 2591mm / 102Like Ceramic Hybrid, Zero Ceramic use a combination of ceramic (Silicon Nitride Si3n4) balls and steel races, except they are of higher Grade 3 quality. The races are also black oxide treated and ground toa mirror finish which prevents corrosion and provides near perfect efficiency and tolerances. Bearing Code: 686 Dimensions: 6 x 13 x 5mm ABEC: 5 Grade: 3 Seals: LLB Grease: Kyodo Yushi PS 2 Application: Hubs, Bottom Brackets Weight: 9. 90g