Bicycle Archive · Specification report

2009 Giant MTX 125 Boys

Velopedia Archive ID 16814

Overview

Model year	2009
Brand	Giant
Model	MTX 125 Boys
Bicycle type	Juvenile mountain bike, suspension
Archive ID	16814
Original MSRP	$320.00
Colors	Silver

Frameset

Frame construction	TIG-welded
Frame material	ALUXX aluminum
Fork	2" travel
Fork material	Alloy, single crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	SRAM MRX Twist
Front derailleur	N/A
Rear derailleur	Shimano Tourney
Crankset	Alloy 3-Piece, 38 teeth
Bottom bracket	Semi-cartridge
Cassette	Shimano HG37
Rear cogs	7-speed, 14 - 28 teeth
Chain	KMC Z51
Pedals	Platform w/steel outer cage

Brakes

Brakes	Alloy Direct Pull brakes, Alloy Jr. MTB levers

Cockpit & contact points

Handlebar	Hi-Ten riser
Handlebar extensions	Not included
Stem	Alloy Quill
Saddle	Giant Kids MTB
Seatpost	Alloy, 30.8mm diameter

Wheels & tires

Hubs	Nutted
Rims	Alloy, 36-hole
Spokes	UCP, 14ga. (2.0mm)
Front tire	20 x 2.00" Kenda
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 30, 2026.