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Velopedia Bicycle Archive
1998 Rocky Mountain Vertex T.O.
Original manufacturer specifications including Shimano XTR drivetrain, 26" wheels, 23 lb published weight.
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What Velopedia knows
- Model year
- 1998
- Category
- Mountain
- Original MSRP
- $3,249.00
- Sizes
- 16", 17.5", 18.5", 19.5", 21"
- Colors
- Red/white
- Weight
- 23 lb
- Geometry
- Legacy reference · Geometry context
- Record coverage
- 31 preserved details · archived image · original MSRP · preserved geometry
- Archive ID
- 77356
Model history 3 other years
Frameset
| Frame Construction | Welded |
|---|---|
| Frame Material | Easton HBO Elite aluminum |
| Fork | Marzocchi Bomber Z-2 Atom Bomb |
| Fork Material | Aluminum, triple-clamp crown |
| Rear Shock | N/A |
Drivetrain
| Component Group | Shimano XTR |
|---|---|
| Shifters | Shimano XTR RapidFire SL |
| Front Derailleur | Shimano XTR top-swing, top-pull/clamp-on 31.8mm |
| Rear Derailleur | Shimano XTR SGS |
| Crankset | Race Face Turbine LP, 22/32/44 teeth |
| Bottom Bracket | Race Face Taperlock |
| Rear Cogs | 8-speed, 12 - 32 teeth |
| Chain | Shimano CN-IG90, 1/2 x 3/32" |
| Pedals | Shimano PD-M747 SPD |
Brakes
| Brakes | Shimano XTR V-Brake brakes, Shimano XTR levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless Race Face Real Seal |
|---|---|
| Handlebar | Race Face Air aluminum |
| Handlebar Extensions | Not included |
| Stem | Syncros Hinge |
| Saddle | Selle Italia Flite |
| Seatpost | Race Face XY |
Wheels & Tires
| Hubs | Shimano XTR |
|---|---|
| Rims | Sun Rims 0 XC |
| Spokes | DT stainless steel, 2.0mm double-butted |
| Front Tire | 26 x 1.95" Hutchinson Chameleon |
| Wheel Size | 26" wheels |
Historical reference geometry
Geometry
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.
| Measurement | Legacy reference |
|---|---|
| Top tube | 585 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73.5° |
| 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Model-level historical reference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 73.5° seat angle is somewhat steeper than typical 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
Shimano CN-IG90, 1/2 x 3/32"
Exact archived model
26x1.95" Hutchinson Chameleon
Named tire and published size
Linear-pull brake pads
Published brake type — verify pad mounting style
More qualified parts (6)
Race Face Taperlock
Named archived component — verify dimensions
Shimano PD-M747 SPD
Exact archived model
Selle Italia Flite
Named archived component — verify exact version
Race Face Turbine LP, 22/32/44 teeth
Named archived component — verify exact version
Shimano XTR SGS
Interpreted as Shimano XTR · 8-speed · mechanical Named component · published drivetrain speed — verify exact version
Shimano XTR RapidFire SL
Interpreted as Shimano XTR · 8-speed · mechanical Named component · published drivetrain speed — verify exact version
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 →
- 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 was last serviced. Check the stanchions for damage, look for oil at the seals and make sure the fork moves smoothly without bushing 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 8-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 20 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 Rocky Mountain Vertex T.O. · Mountain bike, front suspension · Published sizes: 16", 17.5", 18.5", 19.5", 21"
Frame and fork
Inspect the frame and fork →Archived: Frame: Welded · Fork: Marzocchi Bomber Z-2 Atom Bomb · Aluminum, triple-clamp crown
Suspension
Evaluate the suspension →Archived: Fork: Marzocchi Bomber Z-2 Atom Bomb
Drivetrain
Check drivetrain wear →Archived: Group: Shimano XTR · Shifters: Shimano XTR RapidFire SL · Front derailleur: Shimano XTR top-swing, top-pull/clamp-on 31.8mm · Rear derailleur: Shimano XTR SGS · Crankset: Race Face Turbine LP, 22/32/44 teeth · Bottom bracket: Race Face Taperlock · Rear cogs: 8-speed, 12 - 32 teeth · Chain: Shimano CN-IG90, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Shimano XTR V-Brake brakes, Shimano XTR levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Sun Rims 0 XC · Hubs: Shimano XTR · Front tire: 26 x 1.95" Hutchinson Chameleon
Controls and contact points
Archived: Headset: 1 1/8" threadless Race Face Real Seal · Handlebar: Race Face Air aluminum · Stem: Syncros Hinge · Seatpost: Race Face XY · Saddle: Selle Italia Flite · Pedals: Shimano PD-M747 SPD
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.