Deda IN-4 headset is an integrated and tapered headset for 1 1/8” - 1 1/4” road or mtb forks with superior ACB (angular contact bearing) steel bearings. Compatible with innovative Deda H.S.S. System (headset stack spacers) that allows to mount spacers directly over the headtube. Exclusive graphics and POB (polish on black) finish. Available with alloy or carbon top cover.