Raising the bar for military standard, high precision bearings, some of the finest cycling components come standard with the Enduro Bearings MR 18307 bearing. It features hardened chromium steel races, balls, and tough riveted steel retainers, for a durable and perfect low-cost performance upgrade.
LLB Seals: Two NBR 70 rubber seals with a 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.