Bicycle Archive · Specification report

1997 Iron Horse AT20 (01)

Velopedia Archive ID 64783

Overview

Model year	1997
Brand	Iron Horse
Model	AT20 (01)
Bicycle type	Mountain bike, non-suspension
Archive ID	64783
Original MSRP	$219.00
Colors	Candy red, cobalt blue
Sizes	14", 16", 18", 20", 22"

Frameset

Frame construction	TIG-welded
Frame material	Chromoly/hi-tensile steel
Fork	Iron Horse
Fork material	Hi-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	Shimano Tourney TY-22
Shifters	Grip Shift MRX-170
Front derailleur	Suntour FD-XR05, bottom-pull/clamp-on 28.6 mm
Rear derailleur	Shimano Tourney TY-22
Crankset	Tracer aluminum, 28/38/48 teeth
Bottom bracket	112 mm spindle
BB shell width	68mm English
Rear cogs	7-speed, 14 - 28 teeth
Chain	Shimano CN-UG50, 1/2 x 3/32"
Pedals	Resin

Brakes

Brakes	Aluminum cantilever brakes, Tektro levers

Cockpit & contact points

Headset	1" steel
Handlebar	Straight
Handlebar extensions	Not included
Stem	Steel
Saddle	Iron Horse Super Soft
Seatpost	Aluminum micro-adjust, 26.4 mm diameter

Wheels & tires

Hubs	Front: steel, Q/R, Rear: steel, nutted
Rims	Aluminum, 32-hole
Spokes	Steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	26 x 1.95" center ridge
Wheel size	26" wheels

Geometry · Legacy reference

Top tube	533.4 mm
Head-tube angle	70°
Seat-tube angle	72°
Chainstay / rear center	431.8 mm
Wheelbase	1066.8 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 14, 2026.