VelopediaBicycle Archive · Specification report

2004 Iron Horse Sinister Expert

Velopedia Archive ID 31893

Overview

Model year2004
BrandIron Horse
ModelSinister Expert
Bicycle typeMountain bike, front & rear suspension
Archive ID31893
Original MSRP$1,049.99
ColorsTextured Silver/Black
Sizes17", 19", 21"

Frameset

Frame constructionTIG-welded
Frame material7005 aluminum
ForkMarzocchi EXR Supra, 105mm travel
Fork materialAluminum/magnesium, dual crown
Rear shockFox Vanilla R

Drivetrain

Component groupMountain Mix
ShiftersSRAM X.7 Trigger
Front derailleurShimano Deore
Rear derailleurSRAM X.7
CranksetTruVativ 5D, 24/34/44 teeth
Bottom bracketTruVativ ISIS Drive SL
Rear cogs9-speed, 11 - 32 teeth
ChainShimano HG-73, 1/2 x 3/32"
PedalsWellgo WAM-M919

Brakes

BrakesHayes HFX-9 XC brakes, Hayes HFX-9 XC levers

Cockpit & contact points

Headset1 1/8" integrated Aheadset
HandlebarTruVativ
Handlebar extensionsN/A
StemTruVativ
SaddleWTB Speed V Comp
SeatpostAlloy micro-adjust

Wheels & tires

HubsAluminum disc, sealed bearing
RimsWTB SpeedDisc, 32-hole
SpokesStainless steel, 14ga. (2.0mm) Black straight gauge
Front tire26 x 2.1" WTB MotoRaptor
Wheel size26" wheels

Geometry · Legacy reference

Head-tube angle70°
Seat-tube angle70°
Chainstay / rear center429.3 mm
Fork offset / rake38.1 mm

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