Cane Creek eeWings Crank Preloader - Fits 28.99/30mm Spindles, BlackCane Creek Alloy Preload Collar with Ti Bolt for 30mm Spindles 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 Spindle Preload Assembly is equip with a black aluminum spacer preload ring, a gold aluminum 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