FSA Omega 1x Chainring - 42t, 120mm BCD, Black 371-0089008050
FSA 120 BCD. CHAINRING BCD120. N11 chainrings are compatible with all 10 speed drivetrains, and compatible with FSA, SRAM and Shimano 11 speed drivetrains. TOOTH COUNT42. RING POSITION/TYPESingle. PART TYPEBike / Ebikes.