Handlebar with attachment portion

A vehicle comprising a handlebar for controlling a travelling direction of a vehicle, the handlebar comprising:

• a transverse support for mounting to a vehicle, the transverse support extending substantially along a first axial direction;
• a first grippable element extending from a first end of the transverse support, the first grippable element including a free end;
• wherein the first grippable element comprises an attachment portion configured to receive a mounting arrangement for mounting an attachment to the first grippable element,
• wherein the attachment portion has a substantially aerofoil-shaped profile in a plane parallel to a second axial direction, said second axial direction substantially perpendicular to the first axial direction, wherein the vehicle is one of:
• a bicycle;
• a tricycle;
• or a quadracycle.