Attack bike

[FJJ]

Spotted this, not quite an electric bike but I'm sure it could come in handy if you commute through dodgy areas

Insane Russian Attack Bike is Powered by Chainsaw | Inhabitat - Green Design Will Save the World

 

[Geebee]

Just drop in a cordless Chain saw, instant Electric attack bike

 

[RegularGuy]

An over the handlebars accident would be quite fatal!