Snowcrash. Via:

Via: Two Wheels Plus

Via:

Via:

Via:

Via: Designboom

Ninjas as Motorcycles! 

Via: Strong Town

By Pangea Speed. Via:

Via: Bandit9

Via: Error888 

Via: 

Via: Steampunk Vehicles

Via: MCN

Via:

Via:

Via: 

Via: TheDaiOn

Via:

Via: I am a child

(source and builder unknown)

Via:

Via: AEE Choppers

                              Play Nice: Power Wheels Racing in the streets of Detroit. Via: Make

Via:

Via: Rude Mechanicals

Via: For91days

Via: Christophe BOUDIAS

(Thanks Tim!)

Via: Collection DX

Via: Stealth Van Dweller

Via: Daniel Simon

Via: chang67

Via:

Via: Error888

Via:

By Bob Basset

Via: Robots and Stuff

Via:

Via:  El Caganer

I am curious yellow: An Innotech Crea 750 SR. Via:

Via: Sally NG

Via: (see also: Rideback)

Via: Motorcycle Memories

Via:

Via: Motoparade

Ralph Mosher and his Pedipulator.  Via: Cybernetic Zoo

Via:

Riding down the road not taken. Switzerland's POWA design Hans Walther's visionary Honda D10. The aerodynamically efficient motorcycle used a Swiss Moko tube frame. POWA Produced a handfull of these amazing bikes in complete or in a bodykit form. (see also)

Shaken, never stirred. Daniel Craig on location from James Bond's newest film Skyfall. Via: E!