The GT Thumper is a freestyle/bmx bike with a chromoly frame. The frame comes in colors like blue, propane and gangreen. Originally released in 2000, there are 4 versions of this bike. Due to the frame materials and other factors, we estimate that this bike weighs around 20 pounds. The Thumper is fully rigid.
Components
The Thumper comes with various freestyle bike components, including a GT stem and a threadless, Tien Hsin, Aheadset SB-1, Tange-Seiki TGMX, Tange SST Oryg headset.
Drivetrain
The Thumper is a single-speed and has.
Wheels
It comes with GT Powerlite Retro Tread tires (20in x 2.1in) and Alex Weinmann ZAC-X rims.