Let there be light. The Cinch prides itself on being light and beefy. Comes with standard 6806 retainer bearings. Bearings are factory filled with Phil Wood grease. Cups are machined for a high tolerance frame fit. Includes an industry exclusive inner sleeve to protect against water ingest from inside your frame. The perfect way to match your standard threaded frame to your Next SL cranks or any compatible 30mm spindle crankset.