What is a really fast bmx bike?

[Nick]

What is a really fast bmx bike that is durable and not a piece of junk?

 

[Professor Farnsworth]

Depending on your budget, you may or may not be able to buy these bikes I'm going to list. But to answer your question, the best/fastest BMX bike that is durable and not a piece of junk would be these. (used by professionals)

Stolen Heater
wethepeople four seasons
Mirraco Black Pearl LTD

 

[West Coast Flatlander]

Are you looking to race BMX..?? If so, the bikes mentioned above are useless. A bike is only as fast as the rider.