EXTERNAL A-headset

Traditional "A-headset" which uses 45/45 internal headset bearings, converting your old frame to use a modern headset. SIZE 1 1/8", sealed, Ø41.8x45°x45° FEATURES "for standard 1 1/8” steerer tube forks, traditional “a-headset” for frames without an integrated headset, uses standard 45x45 Campy spec integrated headset bearings for ease of maintenance, includes headset cap, top bolt and starnut" WEIGHT TBA MATERIAL "6061-T6 alloy cups, crmo steel bearings "