4 Seat Bikes

bikes
(bike) motorcycle: a motor vehicle with two wheels and a strong frame
(bike) bicycle: a wheeled vehicle that has two wheels and is moved by foot pedals
A bicycle or motorcycle
(bike) bicycle: ride a bicycle

seat
A thing made or used for sitting on, such as a chair or stool
be able to seat; "The theater seats 2,000"
a space reserved for sitting (as in a theater or on a train or airplane); "he booked their seats in advance"; "he sat in someone else's place"
The roughly horizontal part of a chair, on which one's weight rests directly
show to a seat; assign a seat for; "The host seated me next to Mrs. Smith"
A sitting place for a passenger in a vehicle or for a member of an audience

4
Derek Lamar Fisher (born August 9, 1974) is an American professional basketball player who plays for the Los Angeles Lakers. His NBA career has spanned more than 14 years, during which he has won 5 NBA Championships.
four: being one more than three
four: the cardinal number that is the sum of three and one