
Velopedia Bicycle Archive
1998 Iron Horse G-Out
Original specifications: Mountain Mix drivetrain · 26" wheels · geometry for 1 published size.
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At a glance
- Model year
- 1998
- Category
- Mountain
- Original MSRP
- $699.95
- Sizes
- 17", 19", 20.5"
- Colors
- Titanium/Team Red
- Geometry
- Legacy reference · Geometry context
- In this record
- 32 specifications · archived image · original MSRP · geometry
- Archive ID
- 78865
Model history 3 other years
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 7005 aluminum |
| Fork | RST 281 |
| Fork Material | Aluminum/chromoly, triple-clamp crown |
| Rear Shock | RST 21, 2.75" travel |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano Alivio MC15-C RapidFire Plus |
| Front Derailleur | Shimano STX-RC top-swing, top-pull/clamp-on 35.0mm |
| Rear Derailleur | Shimano Alivio |
| Crankset | Cyclone CPI aluminum, 24/34/42 teeth |
| Bottom Bracket | Chin Haur CH-46, 112mm spindle |
| BB Shell Width | 68mm English |
| Rear Cogs | 7-speed, 11 - 28 teeth |
| Chain | KMC UG-50, 1/2 x 3/32" |
| Pedals | Victor VP-933S w/clips & straps |
Brakes
| Brakes | ProMax linear-pull brakes, ProMax levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless YST CS558 |
|---|---|
| Handlebar | Kalloy aluminum |
| Handlebar Extensions | Not included |
| Stem | Tahoma Sonne IV |
| Saddle | Iron Horse racing |
| Seatpost | Kalloy aluminum micro-adjust, 26.8mm diameter |
Wheels & Tires
| Hubs | Front: Formula FM 31, Rear: Shimano Alivio |
|---|---|
| Rims | Alex MP-19F, 36-hole |
| Spokes | Chung Nan stainless steel, 2.0mm straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | Front: 26 x 2.10" Kenda K-877, Rear: 26 x 2.10" Kenda K-887 |
| Wheel Size | 26" wheels |
Historical reference geometry
Geometry
This historical geometry describes the model, but the original source does not identify its frame size. Use it as a period reference, not a size-specific fit comparison.
| Measurement | Legacy reference |
|---|---|
| Top tube | 558.8 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 74° |
| Chainstay / rear center | 442 mm |
| Wheelbase | 1066.8 mm |
| Fork offset / rake | 40.6 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 1362 distinct legacy mountain geometries from model years 1996–2000. Only angular measurements are used because the historical reference frame size is unidentified.Parts & serviceability
Find replacement parts
More qualified parts (2)
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. 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 →
- BrakesInspect pad condition, cable movement and the rim sidewalls or brake tracks for wear. A concave or heavily worn braking surface can mean the wheel also needs replacement.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
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.
Identity and fit
Follow the full used-bike inspection order →Archived: 1998 Iron Horse G-Out · Mountain bike, front & rear suspension · Published sizes: 17", 19", 20.5"
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: RST 281 · Aluminum/chromoly, triple-clamp crown
Suspension
Evaluate the suspension →Archived: Fork: RST 281 · Rear shock: RST 21, 2.75" travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano Alivio MC15-C RapidFire Plus · Front derailleur: Shimano STX-RC top-swing, top-pull/clamp-on 35.0mm · Rear derailleur: Shimano Alivio · Crankset: Cyclone CPI aluminum, 24/34/42 teeth · Bottom bracket: Chin Haur CH-46, 112mm spindle · Rear cogs: 7-speed, 11 - 28 teeth · Chain: KMC UG-50, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: ProMax linear-pull brakes, ProMax levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Alex MP-19F, 36-hole · Hubs: Front: Formula FM 31, Rear: Shimano Alivio · Front tire: Front: 26 x 2.10" Kenda K-877, Rear: 26 x 2.10" Kenda K-887
Controls and contact points
Archived: Headset: 1 1/8" threadless YST CS558 · Handlebar: Kalloy aluminum · Stem: Tahoma Sonne IV · Seatpost: Kalloy aluminum micro-adjust, 26.8mm diameter · Saddle: Iron Horse racing · 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.



