With the conception of our Cane Creek eeWings Titanium crank set we cut no corners, and our CNC-machined preload assembly is no exception. The Cane Creek Crank Preloader is equipped with an aluminum preload ring, an aluminum inner thread ring, and a titanium 2.5mm hex fastening bolt. We are so proud of this piece of jewelry that we decided to design it to fit onto other 30mm crank spindles from SRAM and Raceface, and 28.99mm SRAM Dub Crank spindles. Lose the plastic preload on your crankset, add peace of mind. - 7075 Aluminum thread ring - 7075 Aluminum preload spacer adjuster - Grade 5 Titanium 2.5mm hex fastening bolt - Fits Raceface 30mm spindles, SRAM 30mm spindles, and SRAM 28.99mm DUB spindles