Choose to ride even faster by using CeramicSpeed Hub Bearings in your wheels.The high velocity of wheel bearings means that bearing friction can have a huge impact on performance. CeramicSpeed Wheel Bearings have a proven lifetime, which is 3-5 times longer than standard wheel bearings. For lower friction and even longer lifetime, you can choose our coated kit.In The Box2 x 61702 bearings1 x 61802 bearing1 x 61902 bearing2 x 61803 bearingsCeramicSpeed AllRound GreaseSticker sheetAll bearings need maintenance. How often you need to maintain your bearings will vary greatly, depending on a number of factors - including your cycling discipline, the climate you ride in, and the way you clean your bike. If your bike is exposed to extreme conditions or usage, it can be an advantage to perform maintenance more frequently.Riding road or tri we recommend maintenance between 5.000-10.000 kilometers or at least once a year. For off-road disciplines, we recommend more frequent maintenance between 1.000-5.000 kilometers.To guide you through the maintenance process a number of videos are available. It is always important to check your hub bearings for best performance of the bearings. A proper maintenance of your hub bearings will help you achieve the lowest friction and the best longevity. Wheel Bearing Compatibility Chart