BikeMaster Bearing Removal Kit Remove a bearing while avoiding damage to your ride or loading the bearing too much on one side. Features Includes collets in the most popular sizes 8, 10, 12, 15, 17, 20, 25, and 30mm and slide hammer Comes in a durable plastic storage and carrying case Manufacturer's lifetime warranty Note: A bearing must be removed at 90 to its fitted surface and removed evenly all the way around