686 LLB Enduro Zero Ceramic Bottom Bracket Bearing 6mm x 13mm x 5mm Shields Housing Reference: SY 505 M

Housing Reference: SY 505 M

Outside length 2743mm

Limiting Speed: 5 000 r/min

Inside length: 2322mm / 91

686 LLB Enduro Zero Ceramic Bottom Bracket Bearing 6mm x 13mm x 5mm Shields Housing Reference: SY 505 MLike 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