Velopedia Bicycle Archive

1999 Iron Horse G-8

Original manufacturer specifications including Mountain Mix drivetrain, 26" wheels, 30.5 lb published weight.

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What Velopedia knows

Model year
1999
Category
Mountain
Original MSRP
$549.00
Sizes
S, M, L
Colors
Matte Black
Weight
30.5 lb
Geometry
Legacy reference · Geometry context
Record coverage
33 preserved details · archived image · original MSRP · preserved geometry
Archive ID
80146

Manufacturer catalog

Published sizes and colors

3 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SML

Published colors

Matte Black

Frameset

Frame ConstructionTIG-welded
Frame Material7005 aluminum w/replaceable derailleur hanger
ForkRST 280, 2.5" travel
Fork MaterialAluminum/chromoly, triple-clamp crown
Rear ShockRST 20, 2.5" travel

Drivetrain

Component GroupMountain Mix
ShiftersGrip Shift MRX-170
Front DerailleurSR TP31, top-pull/clamp-on 35.0mm
Rear DerailleurShimano AceraX
CranksetSR XR32, 24/34/42 teeth
Bottom BracketChin Haur CH-46, 110mm spindle
BB Shell Width68mm English
Rear Cogs7-speed, 12 - 28 teeth
ChainKMC Z-51, 1/2 x 3/32"
PedalsVictor VP-933S w/clips & straps

Brakes

BrakesChang Star 883 brakes, Chang Star 292 levers

Cockpit & Contact Points

Headset1 1/8" threadless Aheadset SE-1
HandlebarIron Horse aluminum
Handlebar ExtensionsNot included
StemIron Horse aluminum
SaddleIron Horse
SeatpostIron Horse aluminum micro-adjust, 31.6mm diameter

Wheels & Tires

HubsFront: Formula FM 31, Rear: Formula FM 32
RimsKin Lin RT-6n, 36-hole
SpokesChung Nan stainless steel, 2.0mm straight gauge
Spoke NipplesBrass nipples
Front TireFront: 26 x 1.95" Kenda K-881, Rear: 26 x 1.95" Kenda K-891
Wheel Size26" wheels

Historical reference geometry

Geometry

Legacy reference · 4 measurements

Historical model-level geometry recovered from Velopedia’s original archive database. The source does not identify which listed frame size this reference describes, so fit interpretation is intentionally limited and no size-normalized Archive Context is generated.

MeasurementLegacy reference
Top tube565.1 mm
Head-tube angle71°
Seat-tube angle74°
Chainstay / rear center444.5 mm

Geometry source: Historical archive database — model-level reference geometry. The historical source provides one model-level geometry set and does not identify the corresponding frame size.

Geometry tools

Explore this historical geometry

Model-level historical reference

Period context: At 71°, the head angle sits close to the middle of the group among mountain geometries represented in Velopedia for this period. Its 74° seat angle is toward the steeper end among the same-period mountain references.

Compared with 1159 distinct legacy mountain geometries from model years 1997–2001. Only angular measurements are used because the historical reference frame size is unidentified.

Parts & serviceability

Find replacement parts

2 top part searches
ChainExact archived part
KMC Z-51, 1/2 x 3/32" Exact archived model
SeatpostMatching fit standard
31.6 mm seatpost Published diameter — verify length and setback

Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases. Commercial relationships do not influence Archive specifications or analysis.

Used-bike inspection

If you’re buying this bike used

Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.

Follow the full used-bike inspection order →
  • FrameLook closely for dents and hairline cracks around welds, the head tube and bottom-bracket area. Cosmetic scratches matter less than a change in shape or a crack line.Inspect the frame and fork →
  • BrakesTest each brake separately and confirm it stops firmly and releases cleanly. Inspect the pads and braking surfaces for wear or contamination, and check the cables or hoses for damage.Inspect the brakes →
  • SuspensionAsk when the fork and shock were last serviced. Check the stanchions for damage, look for oil at the seals, cycle both units through their travel and test the suspension pivots for play.Evaluate the suspension →
  • DrivetrainShift through every gear under light load and measure chain wear. Confirm that the shifter, derailleur, chain and cassette belong to the same 7-speed system.Check drivetrain wear →
  • Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.Check wheels and tires →
Bike-specific inspection checklist 22 checks based on 6 archived component groups Open checklistClose checklist
0 of 22 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 1999 Iron Horse G-8 · Mountain bike, front & rear suspension · Published sizes: S, M, L

Archived: Frame: TIG-welded · Fork: RST 280, 2.5" travel · Aluminum/chromoly, triple-clamp crown

Archived: Fork: RST 280, 2.5" travel · Rear shock: RST 20, 2.5" travel

Archived: Group: Mountain Mix · Shifters: Grip Shift MRX-170 · Front derailleur: SR TP31, top-pull/clamp-on 35.0mm · Rear derailleur: Shimano AceraX · Crankset: SR XR32, 24/34/42 teeth · Bottom bracket: Chin Haur CH-46, 110mm spindle · Rear cogs: 7-speed, 12 - 28 teeth · Chain: KMC Z-51, 1/2 x 3/32"

Archived: Brakes: Chang Star 883 brakes, Chang Star 292 levers

Archived: Wheel size: 26" wheels · Rims: Kin Lin RT-6n, 36-hole · Hubs: Front: Formula FM 31, Rear: Formula FM 32 · Front tire: Front: 26 x 1.95" Kenda K-881, Rear: 26 x 1.95" Kenda K-891

Controls and contact points

Archived: Headset: 1 1/8" threadless Aheadset SE-1 · Handlebar: Iron Horse aluminum · Stem: Iron Horse aluminum · Seatpost: Iron Horse aluminum micro-adjust, 31.6mm diameter · Saddle: Iron Horse · Pedals: Victor VP-933S w/clips & straps

Before and during the test ride

Follow the full used-bike inspection order →

Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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