The GT Bump is a freestyle/bmx bike with a chromoly and steel GT / Straight Guage Cro-Mo frame. The frame comes in colors like red, blue and pink.

Originally released in 1999, there are 12 versions of this bike. Due to the frame materials, we estimate that this bike weighs around 25 pounds. The Bump is fully rigid.

Components

The Bump comes with various freestyle bike components, including an aluminum, forged, freestyle GT stem and a threadless, integrated, Aheadset, FDP, Tange Seiki, Victor VP-A74F SST Oryg headset.

Drivetrain

The Bump is a single-speed and has.

Wheels

It comes with Powerlite, GT, Kenda GT-1453 tires (20in x 2.1in) and aluminum, Weinmann ZAC-X, Alienation PBR Alex rims.

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Specs

Type Freestyle, BMX
Year 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012
Alt. Names Bump