Full Speed Ahead Energy Modular Crankset - 175mm 11/12-Speed 50/34t Direct Mount/90mm BCD 386 EVO Spindle Interface BLKFull Speed Ahead Energy Modular Crankset 175mm 11 12 Speed 50 34t Direct Mount 90mm BCD 386 EVO Spindle Interface Black. The Energy Modular BB386EVO crankset is designed for high performance whether its gravel adventure or road use. Thanks to the adaptable BB386 EVO 30mm spindle this modular system will fit a wide variety of frames with a range of bottom bracket standards. Cold forged 7050 T6 hollow aluminum crank arms Forged 7050 aluminum BB386EVO