The DirtMaster Big Bertha is a 34,36 pound a freestyle/bmx bike with a chromoly frame. The frame comes in colors like red, black and green.
It was first released in 1999 and again in 2001 for $569 brand new. The Big Bertha is fully rigid.
The Big Bertha comes with various freestyle bike components, including an Odyssey Bang Radix stem and a threadless, Aheadset, Aheadset-Tank Odyssey Gyro headset.
The Big Bertha is a single-speed and has.
It comes with Kenda K-841 Radix tires (NaN x NaN) and aluminum Alex rims.