Women riding serious motorcycles led the parade. Most were ridden in pairs with a driver in front and a passenger behind.

Some riders whooped it up as they passed, but were hard to hear among all the loud motorcycle engines.

One motorcycle sign read, "Firefighter, Love Wins." The sign was in a rainbow motif and the passenger held up a rainbow feather boa.

Mixed in with the actual motorcycles were many motor scooters.

A contingent in the parade was from the San Francisco Scootergirls .

One scooter passenger was dressed in judge robes and carried an American flag with rainbow stripes.

Two strong riders pumped their muscular arms at the camera.

A woman on a scooter wore a purple tinged white wig and a purple bandit-style mask on her face.

A big bike passed carrying a couple with big smiles who both wore sunglasses.

Another motorcycle passed in front of a California flag, and carried rainbow flags with linked female symbols on them.

A motorcycle passed with a couple that barely betrayed a shy smile.

A rainbow hat with googlie eyes was atop the head of a lone motorcycle rider who carried a rainbow flag for the color blind.