#bicycle_seat__bicycleseat__saddle  a seat for the rider of a bicycle
  supertype:  seat  any support where you can sit (especially the part of a chair or bench etc. on which you sit); "he dusted off the seat before sitting down"
  part of:  bicycle__bike__wheel  a cycle that has two wheels; moved by foot pedals

No statement uses or specializes bicycle_seat; click here to add one.