Bicycle Archive · Specification report

2004 Iron Horse SGS-Pro DH

Velopedia Archive ID 31865

Overview

Model year	2004
Brand	Iron Horse
Model	SGS-Pro DH
Bicycle type	Mountain bike, front & rear suspension
Archive ID	31865
Original MSRP	$2,499.99
Colors	Matte Silver
Sizes	17", 19", 21"

Frameset

Frame construction	TIG-welded
Frame material	Aluminum, butted
Fork	Rock Shox Boxxer Race, 7.0" travel
Rear shock	Answer Manitou SPV Coil 4-way, 8" travel

Drivetrain

Component group	Mountain Mix
Shifters	Shimano Deore RapidFire
Front derailleur	N/A
Rear derailleur	Shimano Deore XT
Crankset	FSA V-drive Xtreme 165mm, 38 teeth
Bottom bracket	FSA Platinum Pro DH, 100mm spindle
Rear cogs	9-speed, 11 - 32 teeth
Chain	Shimano HG-73, 1/2 x 3/32"
Pedals	Wellgo B37 Platform

Brakes

Brakes	Hayes HFX-9 Hydraulic Disc brakes, Hayes HFX-9 HD levers

Cockpit & contact points

Headset	1 1/2" FSA No.61 w/1 1/8" reducer
Handlebar	FSA Riser bar
Handlebar extensions	N/A
Stem	FSA 3D forged
Saddle	WTB Speed V Race
Seatpost	Micro adjust, 29.8mm diameter

Wheels & tires

Hubs	Front: Alloy 20mm thru axle, Rear: Alloy 12mm thru axle
Rims	WTB SpeedDisc Pro DH, 36-hole
Spokes	Stainless steel, 14ga. (2.0mm) Black straight gauge
Front tire	26 x 2.5" Maxxis Minion
Wheel size	26" wheels

Geometry · Legacy reference

Head-tube angle	66.5°
Seat-tube angle	65°
Chainstay / rear center	440.9 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 2, 2026.