Multiple price-point options to allow you to hit the group price you need to build a better bike. Same chain retention performance as seen in all of the higher-level Eagle drivetrain cranks. All new fully featured Eagle crankset. Now offering more Eagle™ options than ever before. DUB technology option. Steel Eagle™ direct mount ring — as seen on NX Eagle™. For Powerspline cranks, use 118/73 Powerpline Bottom Brackets.