Grunge 20

Even our kids’ bikes are built right from the ground up – perfectly proportioned lightweight alloy frame, easy-riding low-slung design, and handling that makes every ride a breeze. Durable 1pc cranks, all-terrain tires, 2pc bars and even a numberplate FTW.

 

Was $300.00

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Frame

fork GT Hi-Ten Steel, 1" Threaded Steerer

Wheels

front tire GT 20 x 1.95"
rear tire GT 20 x 1.95"

Drivetrain

rear cogs 16T Coaster
chain KMC S1, 1/2x1/8"
crank Forged One-Piece Type, 127mm, 32T
pedals Jr. BMX Design, Resin

Cockpit

headset 1" Threaded, Steel
seatpost Alloy
saddle GT 1-piece

Fit Guide

12" Wheels
2'10" - 3'4"
16" Wheels
3'4" - 4'0"
20" Wheels
4'0" - 4'5"
24" wheels
4'3" - 4'8"
26" wheels
4'3" - 4'8"

GT Tech Book

GT Owner's Manual