This Theory Headset features a 1-1/8" threadless design with 44mm cups, suitable for frames intended for a Z-type (zero stack) internal headset. It is a 45° Sealed Cartridge bearings and is compatible with SE, DK, Kuwahara and other bike brands.
Frame Size: ZS44mm
Crown Race: 30mm
Steer Tube: 1-1/8"
Color: Red
