Made from high-carbon chromium alloy races and paired with grade 5 balls that have a 90% fill of high-pressure, waterproof grease, the ABEC-5 Radial Bearings from Enduro also feature a dual seal combination. The LLU seal faces outwards towards the elements to reduce water and dirt contamination, whilst the LLB seals face inwards to keep the grease where it belongs. Constructed with deep grooves to accommodate the largest balls possible. Features: 52100 High-Carbon Chromium alloy races paired with grade 5 balls with 90% fill, high-pressure, waterproof grease Designed specifically for bike applications, the LLU/LLB seal combination on these bearings utilises a more protective LLU seal outwards, towards the elements, reducing contamination from water and dirt Lighter contact (less seal-drag) LLB seals facing inward keep the grease where it belongs Engineered with deep grooves to accommodate the largest balls possible All of Enduro's standard bearings feature dual-lip seals that ride in a micro groove creating a full labyrinth to provide ultimate protection against the elements Specifications: Bearing code: MR15307 Dimensions: 15 x 30 x 7mm ABEC: 5 Grade: 5 Seals: LLU/LLB Grease: Kyodo Yushi PS-2 Application: hubs, bottom brackets
