FSA (Full Speed Ahead) Energy Modular Crankset - 175mm, 11-Speed, 46/30t, Direct Mount, 90 BCD, 386 EVO Spindle Interface, GrayThe Energy Modular crankset is designed for high performance whether it's 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. Hollow forged arms Forged 7050 aluminum BB386EVO spindle Cold forged CNC 7050 aluminum chainrings Direct mount outer chainring and 90 BCD inner chainrings Chromoly chainring bolts Fits Shimano and SRAM 10