Bicycle Archive · Specification report

2001 Iron Horse Hillbilly

Velopedia Archive ID 90917

Overview

Model year	2001
Brand	Iron Horse
Model	Hillbilly
Bicycle type	Mountain bike, front & rear suspension
Archive ID	90917
Original MSRP	$550.00
Colors	Black, Green
Sizes	Large, medium, small
Weight	32 lb

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum w/replaceable derailleur hanger
Fork	RST 321 CL, 3.0" travel
Fork material	Aluminum, triple-clamp crown
Rear shock	RST 21, 4.0" travel

Drivetrain

Component group	Mountain Mix
Shifters	SRAM ESP 4.0 Half Pipe
Front derailleur	SRAM ESP 4.0, top-pull/clamp-on 35.0mm
Rear derailleur	SRAM ESP 4.0
Crankset	3-piece aluminum, 22/32/42 teeth
Bottom bracket	Cartridge, 113mm spindle
BB shell width	68mm English
Rear cogs	8-speed, 11 - 30 teeth
Chain	KMC Z-72, 1/2 x 1/8"
Pedals	Steel cage, resin body

Brakes

Brakes	Aluminum linear-pull brakes, aluminum linear-pull levers

Cockpit & contact points

Headset	1 1/8" threadless WTB threadless
Handlebar	Aluminum, 1" rise
Handlebar extensions	Not included
Stem	Aluminum Ahead type
Saddle	Iron Horse Soft Sport
Seatpost	Aluminum micro-adjust, 31.6mm diameter

Wheels & tires

Hubs	Aluminum, Q/R
Rims	Sun MC-18, 36-hole
Spokes	Stainless steel, 14g straight gauge
Spoke nipples	Brass nipples
Front tire	26 x 2.10" Kenda Koyote
Wheel size	26" wheels

Geometry · Legacy reference

Top tube	564.9 mm
Head-tube angle	71°
Seat-tube angle	72°
Chainstay / rear center	424.2 mm
Wheelbase	1058.2 mm

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