MRF30417 LLB Enduro Bike Flanged Bearing – BB30 Crank on to BB86/92

Seals: LLB

Material: 52100 High Carbon Chromium Alloy Races

Used on: For BB30 Crank onto BB86/92 Frameset

LLB is a double-lip type seal making light contact and also rides in a groove making a labyrinth seal.