Unknown single speed, Flinders Street, Melbourne.

Intersting combination. Rear black, front blue with matching saddle and handlebar tape.  

Unknown single speed, Footscray Station, Melbourne

Viva la bike

Unknown custom BMX, Alexandra Gardens, Melbourne.

It's amazing what you can do with a welder and a few pieces of metal. Me thinks due to the lack of triangles there would be a little bit more flex in the frame, when pushed to the limits.  

Legnano single speed conversion, Bourke St, Melbourne

I've never heard of Legnano before, but I love the badge design. With the level of patriotism shown through the handle bar tape, I'm surprised it didn't translate to the rest of the components.

Malvern Star single speed, Swanston St, Melbourne

Simply put, no frills biking at it's best.