Full Speed Ahead Headset Lowers

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Replacement lower headset from FSA. Full Speed Ahead Integrated Headset Lower C-40 1.5 IS52.1/39.78 (36/45) Alloy w/Rubber Seal Color: Silver Crown Race: 40 S.H.I.S Lower: IS52 Bea ring Type: Cartridge Lower Stack Height: 1 Full Speed Ahead Integrated Headset Lower IS-2 1-1/8 IS41.2/30 (36x45) Alloy w/Rubber Seal Color: Silver Crown Race: 30 S.H.I.S Lower: IS41 Bearing Type: Cartridge Lower Stack Height: 1 Show more