Full Speed Ahead Comet Modular Crankset - 175mm 11/12-Speed 32t Direct Mount Full Speed Ahead MegaExo Spindle Interface BLKFull Speed Ahead Comet Modular Crankset 175mm 11 12 Speed 32t Direct Mount Full Speed Ahead MegaExo Spindle Interface Black. The FSA Comet crank is a stiff modular 1x crankset with a 24mm alloy spindle offering high value for the price. Solid forged 6061 aluminium arms put power and durability at the forefront with channeling at the back to trim weight. A no pinch bolt design on the left hand crankarm makes fitting easier and looks cleaner. The