ENDURO BEARINGS Mr 21531 llu max - abec 3 max (radial) - 21,5x31x7

Discover the high-performance MR 21531 LLU MAX MAX-Design radial suspension bearing, expertly engineered for mountain biking and bicycle suspension systems. With dimensions of 21.5mm x 31mm x 7mm, this ABEC-3 bearing features deep-groove raceways, Grade 10 balls, and full-contact, double-lip LLU labyrinth seals for maximum protection against dirt, water, and debris. Designed with a unique MAX type configuration, it offers 35-40% higher load capacity than standard radial bearings by incorporating additional balls through custom ground race slots, providing superior lateral support for twisting and multi-directional forces common in mountain bike pivots. Crafted from high-quality materials such as high-carbon chromium steel, 440C stainless steel, ceramic-hybrid, and XD-15, these bearings ensure durability and long-lasting performance. Suitable for suspension pivots used by top brands like Santa Cruz and Alchemy, they feature micro-groove seals for enhanced sealing and a full labyrinth design for extended lifespan. Weighing only 13.86g, this bearing is ideal for demanding mountain biking applications, delivering reliable performance and maximum protection.