Enduro bearings abec3 mr 17286 llu max bearingdurably designed to deal with the rigours of rotation from your frame pivots, this max sized bearing from enduro bearings offers military standard strength and performance to keep your mtb twisting and turning as smoothly as possible. Constructed without retainers and equipped with 40% more balls than standard abec 3 or 5 bearings, this model is capable of carrying a much higher load, while it utilises long lasting crc marine grease to keep working for a lifetime of use. Features dimensions 17mm x 28mm x 6mm abec 3 grade 10 seals llu applications frame pivots grease crc weight 13.9gtechnologiesllu seals two nbr 70 rubber seals with medium high contact seal, which rides in a matching groove machined into the bearing to make a labyrinth type seal. The outer sealing lip repels dirt and water while the inner sealing lip retains the grease.crc sta plex marine this grease will not wash out or break down under any extreme conditions including power washing, salt water intrusion from the salted roads, or even dirt getting into the rolling areas. The high pressure properties of this grease provides a cushion for the sharp blows that suspension pivots will endure. Tough and tenacious for high impact and extreme conditions.buy enduro bearings components from chain reaction cycles, the world's largest online bike store.