Bicycle headset arrangement

A bicycle headset arrangement for attaching a fork column to a head tube with a pair of top and bottom bearings disposed in top and bottom ends thereof, the bicycle headset arrangement comprising:

• an adjustment member including
• a tubular part with a male screw part formed on an outer peripheral surface of a first axial end portion of the tubular part, the tubular part being configured and arranged such that the fork column passes through the tubular part,
• a contact part disposed in a second axial end portion of the tubular part, and configured and arranged to contact with the top bearing of the head tube, and
• a plurality of slots formed in the first axial end portion of the tubular part to extend in the axial direction of the tubular part as the slots being spaced apart in a peripheral direction of the tubular part;
• and
• a first fastening member with a female screw part formed on an inner peripheral surface thereof that is configured and arranged to engage the male screw part of the adjustment member, the first fastening member being configured and arranged to press the tubular part of the adjustment member from an outer peripheral side of the tubular part to securely fasten the adjustment member to the bicycle fork column.