Velopedia Bicycle Archive

2009 GT Bump

BMX bicycle from the Velopedia historical specification archive.

Original MSRP
$399.99
Sizes
21.1" TT
Colors
Light Green, Purple
Archive ID
18807
Image not yet recovered

Frameset

Frame ConstructionTIG-welded
Frame MaterialChromoly main triangle
ForkGT Dirt/Street
Fork MaterialChromoly, unicrown crown
Rear ShockN/A

Drivetrain

Component GroupBMX
ShiftersN/A
Front DerailleurN/A
Rear DerailleurN/A
CranksetGT Tubular Cr-Mo 3pc., 33 teeth
Bottom BracketMid BB
CassetteCassette cog
Rear Cogs1-speed, 12 teeth
ChainKMC Z510
PedalsGT Dirt/Street platform

Brakes

BrakesTektro 907A U-brake rear brakes, Tektro 274A rear levers

Cockpit & Contact Points

Headset1 1/8" Tange Seiki Fatty 22
HandlebarGT dirt/street Cr-mo
Handlebar ExtensionsNot included
StemGT FS design
SaddleGT Slim
SeatpostAluminum micro-adjust double bolt

Wheels & Tires

HubsFront: GT aluminum sealed, Rear: GT sealed cassette
RimsAlienation PBR, 32-hole/36-hole
SpokesStainless, 14ga. (2.0mm)
Spoke NipplesBrass
Front TireFront: 20 x 2.125" Kenda K-Rad, Rear: 20 x 2.10" Kenda Kiniption
Wheel Size20" wheels

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Historical specifications are presented as an archival reference. Component specifications may have varied by market, size, or production run.

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