Joe E. Brown, Mary Elizabeth Brown, Kathryn Brown and fox terrier Brown ride bikes.

Joe E. Brown, Mary Elizabeth Brown, Kathryn Brown and fox terrier Brown ride bikes.

Judy Garland checks a bike tire. 

Judy Garland checks a bike tire. 

Broderick Crawford and Jane Frazee ride a bike.

Broderick Crawford and Jane Frazee ride a bike.

Veronique Vendell rides a bike, drop bars flipped.

Veronique Vendell rides a bike, drop bars flipped.

Dorian Leigh, the real-life Holly Golightly, models a bike.

Dorian Leigh, the real-life Holly Golightly, models a bike.

Humphrey Bogart and Lauren Bacall ride bikes.

Humphrey Bogart and Lauren Bacall ride bikes.

Charlie Chaplin and Paulette Goddard ride a tandem. Catalina Island, 1940.

Charlie Chaplin and Paulette Goddard ride a tandem. Catalina Island, 1940.

Chris Connelly and Patricia Morrow ride a bike.

Chris Connelly and Patricia Morrow ride a bike.

Jean Gabin fixes a bike. 

Jean Gabin fixes a bike. 

Ronald Reagan and Jane Wyman take their Schwinns out for a ride.

Ronald Reagan and Jane Wyman take their Schwinns out for a ride.