DT SWISS 6902 BEARINGBEAR WITH MEWith regular use, your moving parts will begin to wear out. Things like your chain, derailleur pulleys, brake pads, and even your bearings will need to be replaced. Luckily these parts are easy to find. The DT Swiss 6902 Bearing is designed for use with DT Swiss hubs. It features an inner diameter of 15mm, an outer diameter of 28mm, and a thickness of 7mm.FEATURES1 Designed for DT Swiss hubs2 Bearing dimensions: 15mm ID x 28mm OD, 7mm W3 Manufacturer&';s part number: HSBXXX00N2336S