SRAM SX Eagle Crankset - 175mm 12-Speed 32t Direct Mount DUB Spindle Interface BLK A1SRAM SX Eagle Crankset 175mm 12 Speed 32t Direct Mount DUB Spindle Interface Black A1. The SRAM SX Eagle Crankset includes Eagle platform styling and features in an entry level price point. SX Eagle cranks are compatible with all levels with SRAM Eagle drivetrain systems. Offers the same chain retention performance as seen in all higher level Eagle drivetrain cranks 32t direct mount X SYNC 2 steel chainring included Aluminum crank arms 11 12 speed