Enduro bearings abec3 6803 2rs bearingthis strong and durable bearing is tailored specifically to meet the demands of the most aggressive rides. It features a military standard steel construction which makes it incredibly tough at handling all the challenges that come with all day epics. This is a perfect choice of upgrade for riders who want a solid component at an affordable price.features ball material steel race material hardened chromium steel retainer material riveted steel dimensions 17x26x5mm abec 3 grade 10 seals 2rs application hubs, bottom brackets weight 7.34g approxtechnologies 2rs literally means the bearing has two rubber seals. There are many types of seals. On most other bearings 2rs means that the seal is made from rubber and has one sealing lip rubbing on any flat part of the inner race. Enduro's seals are usually either llu usually the max type bearings or llb better for hubs. 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.