Works Components 2.0° angle-adjust headset with ZS49 upper and EC49 lower cups for tapered steerer tubes. CNC-machined in the UK from 6082-T6 aluminium with sealed bearings. Allows + or - geometry adjustment. Fits frames with 49mm upper and 49mm lower internal head tubes. Tapered steerer tube compatible (1 1/8" to 1 1/2") or with 1 1/8” fork with a reducer crown race. Ideal for trail, enduro, and downhill bikes.

See condition for details. Compatibility is your responsibility. Returns not accepted. Description taken from Works Components website as of 2026. Item originally purchased in 2021 with Headtube Length option: SET 4 124-131mm. Does not include reducer crown race.