Keep your bike running smoothly with Enduro MAX bearings. A worn out bearing can cause creaking, unwanted play, and could eventually lead to frame damage. These are the most popular bike specific bearings offered today. These bearings are for riders looking to replace the worn out bearings on their frames. Grade 10 Chromium Steel Balls MAX bearings do not use retainers. The allows for a 40% increase in capacity. 52100 High Carbon Chromium Alloy Races MAX bearings use CRC Marine Grease. This will not wash away and holds up to the toughest elements LLU Seals To find the correct bearing, please check your owner's manual. These are premium bearings that are among the longest lasting available, however bearing life is dependent on factors such as weather, maintenance, and installation. Please use correct installation methods and follow your frame's torque specifications. Failure to do so will result in premature bearing wear.