The term UNICYCLE PART refers to the components of a unicycle, which is a one-wheeled vehicle. The crossword solutions for this term are WHEEL (5 letters), TIRE (4 letters), and PEDAL (5 letters). The WHEEL is the main component of the unicycle, providing the support and stability for the rider. The TIRE is the rubber covering that wraps around the WHEEL, providing traction and cushioning. The PEDAL is the part that the rider pushes with their feet to propel the unicycle forward.