Bicycle Archive · Specification report

2009 GT Stomper 20

Velopedia Archive ID 18789

Overview

Model year	2009
Brand	GT
Model	Stomper 20
Bicycle type	Juvenile
Archive ID	18789
Original MSRP	$299.99
Colors	Red
Sizes	One size fits all

Frameset

Frame construction	TIG-welded
Frame material	GT 6061 Aluminum
Fork	SR Suntour M2000, 75mm travel
Fork material	Alloy, single crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	SRAM MRX
Front derailleur	N/A
Rear derailleur	Shimano TX30
Crankset	Cotterless aluminum, 36 teeth
Bottom bracket	3-piece
Cassette	Shimano
Rear cogs	7-speed, 14 - 28 teeth
Chain	Uniglide
Pedals	High Impact nylon platform

Brakes

Brakes	Tektro linear brakes, alloy short reach levers

Cockpit & contact points

Headset	1 1/8" Aheadset
Handlebar	Riser
Handlebar extensions	Not included
Stem	Alloy
Saddle	Boys Anatomic MTN
Seatpost	Alloy

Wheels & tires

Hubs	Alloy
Rims	Aluminum
Spokes	14ga. (2.0mm)
Spoke nipples	Brass
Front tire	20 x 1.95" Kenda ATB Dual purpose
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.