The 2001 DirtMaster Big Bertha 2001 is a 36 pound a freestyle/bmx bike with a chromoly frame. The frame comes in black or green. The Big Bertha 2001 is a is a heavier bike at around 35 pounds. It was released in 2001 and costs $569 brand new. The Big Bertha 2001 is fully rigid.


The Big Bertha 2001 comes with various freestyle bike components, including a Radix stem and a threadless Aheadset-Tank headset.


The Big Bertha 2001 is a single-speed and has.


It comes with Radix tires (24in x 1.95in) and aluminum Alex rims.

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Type Freestyle, BMX
MSRP $570
Year 2001
Alt. Names BigBertha, Big Bertha