With the conception of the Cane Creek eeWings Titanium crank set, Cane Creek cut no corners, and their CNC-machined preload assembly is no exception. The Cane Creek Spindle Preload Assembly is equip with a black aluminum spacer preload ring, a gold aluminium thread ring, and a titanium 2.5mm hex fastening bolt. They are so proud of this piece of jewelry that they decided to design it to fit onto other 30mm crank spindles from SRAM and Raceface. Loose the plastic preload on your crankset, add piece of mind.7075 Aluminum thread ring7075 Aluminum preload spacer adjusterGrade 5 Titanium 2.5mm hex fastening boltFits SRAM, Raceface and eeWings 30mm Spindles