The sram x01 eagle boost bb30 crank we know you have a lot of choices when choosing a crankset and that choice says a lot about your personal style we designed the new x01 eagletrade crankset for riders who feel most stylish when they stand on top of the podium this is a completely reengineered design employing our proprietary carbon tunedtrade lay up technology built tough to handle aggressive lines through rock gardens and big hits wherever you find them the new x01 eagletrad