Crankset - 172.5mm, 11/12-Speed, 46/30t, Direct Mount/90mm, Black 336-0375BJ4870
Direct mount outer chainring and 90 BCD inner chainrings. CHAINRING BCDDirect Mount Fsa. SPINDLE INTERFACE TYPE386 Evo. PEDAL SPINDLE9/16". PART TYPEBike / Ebikes. NUMBER OF CHAINRINGSDouble. MANUFACTURER PART NUMBER336-0375Bj4870.