Enduro Bearings ABEC3 6901 LLB BearingThis superb bearing sets the benchmark for military standard, high precision bearings. Some of the finest cycling component come standard with this bearing, featuring hardened chromium steel races, balls, and tough riveted steel retainers, for a durable and perfect low-cost performance upgrade.Features: Material: Steel Bearing Code: 6901 Dimensions: 12x24x6mm ABEC: 3 Grade: 10 Seals: LLB Grease: Mobile HP 222 Application: Hubs, bottom bracketsWeight: 10.41g (approx)Technologies: LLB Seals: Two NBR 70 rubber seals with low contact seal, which rides in a matching groove machined into the bearing for low drag or friction. Mobile HP 222: This grease is another high pressure grease for maximum protection and constant lubrication. This synthetic grease holds up under all conditions and will not break down.Buy Enduro Bearings Components from Chain Reaction Cycles, the World's Largest Online Bike Store.