Bicycle Archive · Specification report

2003 Huffy MJ-12

Velopedia Archive ID 30695

Overview

Model year	2003
Brand	Huffy
Model	MJ-12
Bicycle type	Freestyle/jumping
Archive ID	30695
Original MSRP	$199.99
Colors	Red

Frameset

Frame construction	TIG-welded
Frame material	4130 chromoly main triangle/hi-tensile steel rear stays
Fork	Huffy
Fork material	Hi-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Chromoly one-piece, 39 teeth
BB shell width	68mm American
Rear cogs	1-speed
Pedals	Huffy aluminum

Brakes

Brakes	Tektro alloy U-brake rear brakes, Tektro aluminum rear levers

Cockpit & contact points

Headset	1 1/8" threadless
Handlebar	Chromoly 2-Piece
Stem	Huffy aluminum

Wheels & tires

Hubs	Sealed mechanism
Rims	Aluminum, 48-hole
Spokes	UCP, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	Kenda K-Rad

Geometry · Legacy reference

Top tube	508 mm
Head-tube angle	74°
Seat-tube angle	72°
Chainstay / rear center	374.6 mm

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