FSA Full Speed Ahead SL-K Modular Crankset - 170mm 11-Speed 48/32t Direct Mount 90 BCD 386 EVO Spindle Interface BLKGravel, Adventure or Road use cranks Hollow carbon arms with 30mm aluminum bottom bracket spindle Direct mount outer chainring and 90 BCD inner chainring BB386EVO cranks are compatible with most current bottom bracket frame standards using the correct bottom bracket * Bottom brackets sold separately, use BTI #FS 02* TECH SPECS model SL K Modular length 170mm direct mount BCD 90mm modular with 32 48t configuration 2x10 11sp spindle interface 386EVO