Equipped with an aluminum preload ring, an aluminum inner thread ring, and a titanium 2.5mm hex fastening boltFits Raceface 30mm Spindles, Fits SRAM 30mm Spindles, Fits SRAM 28.99 Dub SpindlesIncludes 30mm and 28.99mm threaded inner ringsRedUPC/EAN/GTIN: 840226078977