Uses front tire 26×1.95; rear size isn’t listed.
Velopedia Bicycle Archive
1998 Rocky Mountain 2XS
Original specifications: Shimano XTR · 8-speed · mechanical rear derailleur · 26" wheels · legacy reference geometry.
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At a glance
Archive #72372- Model year
- 1998
- Category
- Mountain
- Original MSRP
- $4,649.00
- Sizes
- 16.5", 18", 19.5"
- Colors
- Black front/red rear
- Geometry
- Legacy reference
- In this record
- 26 specifications · archived image · original MSRP · geometry
Original buildCarbon fiber composite main triangle w/Easton rear stays · Mountain Mix · 26" wheels
Frameset
| Frame Construction | Laminated carbon fiber/welded aluminum |
|---|---|
| Frame Material | Carbon fiber composite main triangle w/Easton rear stays |
| Fork | Marzocchi Bomber Z-1 BAM |
| Fork Material | Aluminum, triple-clamp crown |
| Rear Shock | Fox Vanilla TC, 4.0" or 6.0" travel |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano XTR RapidFire SL |
| Front Derailleur | Shimano XTR top-swing, top-pull/clamp-on 31.8mm |
| Rear Derailleur | Shimano XTR SGS |
| Crankset | Shimano XTR M950, 24/34/46 teeth |
| Bottom Bracket | Shimano BB-M950 |
| Rear Cogs | 8-speed, 12 - 32 teeth |
| Chain | Shimano CN-IG90, 1/2 x 3/32" |
| Pedals | Shimano PD-M747 SPD |
Brakes
| Brakes | Formula Hydraulic disc brakes, Formula Hydraulic levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless Race Face Real Seal |
|---|---|
| Handlebar | Roox FPS DH |
| Handlebar Extensions | Not included |
| Stem | RooX |
| Saddle | Selle Italia Flite |
| Seatpost | Race Face XY |
Wheels & Tires
| Hubs | Formula |
|---|---|
| Rims | Front: Sun Rims 0 XC, Rear: Sun Rims XC |
| Spokes | DT stainless steel, 2.0mm double-butted |
| Front Tire | 26 x 1.95" Hutchinson Chameleon |
| Wheel Size | 26" wheels |
No specifications match. Try a component name or clear your search.
Geometry
Historical measurements. Frame size unknown.
Reference drawing
Select an available measurement to locate it on the frame.
All geometry measurementsLegacy reference · 3 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 590 mm |
| Seat-tube angle | 73.5° |
| Fork offset / rake | 40.6 mm |
Frame size not recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM = pedal turns per minute.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Try your current gearingChanged tires or gears? Calculate your setup.
Your changes apply to this calculation. The archived build stays unchanged.
Gearing results
| Measure | Original | Your setup |
|---|---|---|
| Lowest ratio | — | — |
| Highest ratio | — | — |
| Total range | — | — |
| Lowest-gear speed | — | — |
| Highest-gear speed | — | — |
Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.
Parts & serviceability
Find replacement parts
1/2 x 3/32"

SRAM PC-830 Chain One Color, 8 Speed
Replacement option
More parts (7)Fewer parts
24/34/46 teeth
Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.
Parts and service referenceQuick reference before buying parts
Archived specifications for reference. Check the fitted parts before ordering.
- Front tire
- 26 x 1.95" Hutchinson Chameleon
- Drivetrain
- 8-speed
- Bottom bracket / shell
- Shimano BB-M950
Equipment inspection checks 13 checks based on 6 archived component groups Open equipment checksClose equipment checks
Checks selected from the archived equipment. Confirm what is fitted today. This is not a complete safety inspection; use the full inspection guide before test riding.
Full used-bike inspection guide →
Frame and fork
Inspect the frame and fork →Archived: Frame: Laminated carbon fiber/welded aluminum · Fork: Marzocchi Bomber Z-1 BAM · Aluminum, triple-clamp crown
Suspension
Evaluate the suspension →Archived: Fork: Marzocchi Bomber Z-1 BAM · Rear shock: Fox Vanilla TC, 4.0" or 6.0" travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano XTR RapidFire SL · Front derailleur: Shimano XTR top-swing, top-pull/clamp-on 31.8mm · Rear derailleur: Shimano XTR SGS · Crankset: Shimano XTR M950, 24/34/46 teeth · Bottom bracket: Shimano BB-M950 · Rear cogs: 8-speed, 12 - 32 teeth · Chain: Shimano CN-IG90, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Formula Hydraulic disc brakes, Formula Hydraulic levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Front: Sun Rims 0 XC, Rear: Sun Rims XC · Hubs: Formula · Front tire: 26 x 1.95" Hutchinson Chameleon
Controls and contact points
Archived: Headset: 1 1/8" threadless Race Face Real Seal · Handlebar: Roox FPS DH · Stem: RooX · Seatpost: Race Face XY · Saddle: Selle Italia Flite · Pedals: Shimano PD-M747 SPD
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




