With multiple World Championship medals, EWS series wins and Olympic gold medals to its namesake, the XX Eagle DUB Crank is proven as the pinnacleEngineered with an ultra-strong but ultra-light design that utilizes carbon fiber with a hollow core crank armsThe new XX SL Eagle Transmission T-Type direct mount chainring updates the look and performance to the next levelProven DUB bottom bracket interface integrates into a multitude of frame options (BB not included)170x34DUBBLKDirect Mount1x12UPC/EAN/GTIN: 710845891755