Lowest0.69:1
Highest3.82:1
Total range555%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Uses front tire 26×1.95; rear size isn’t listed.
Velopedia Bicycle Archive
2003 Rocky Mountain Trailhead
Original specifications: Shimano Deore · 9-speed · mechanical rear derailleur · 26" wheels · legacy reference geometry.
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At a glance
Archive #39371- Model year
- 2003
- Category
- Mountain
- Original MSRP
- $870.00
- Sizes
- 14.5", 16", 17.5", 18.5", 19.5", 21", 22.5"
- Colors
- Near Chrome/Zoom Yellow
- Geometry
- Legacy reference
- In this record
- 27 specifications · archived image · original MSRP · geometry
Model history 7 other years
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Identification clues
2003 archived details
- Published colors
- Near Chrome/Zoom Yellow
- Frame
- 7005 aluminum
- Original equipment
- Mountain Mix
Clues, not proof of model year. Colors vary and components may have been replaced.
Original build7005 aluminum · Mountain Mix · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 7005 aluminum |
| Fork | Rock Shox Pilot C, 100mm travel |
| Fork Material | Aluminum/magnesium, single crown |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano Deore Rapidfire Plus |
| Front Derailleur | Shimano Alivio, top-pull/clamp-on 31.8mm |
| Rear Derailleur | Shimano Deore SGS |
| Crankset | Shimano FC-M440, 22/32/42 teeth |
| Bottom Bracket | Shimano BB-UN25, 110mm spindle |
| BB Shell Width | 73mm English |
| Rear Cogs | 9-speed, 11 - 32 teeth |
| Chain | SRAM PC-48, 1/2 X 3/32" |
| Pedals | Big Flats |
Brakes
| Brakes | Shimano BR-420 brakes, Shimano Deore levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless Ritchey |
|---|---|
| Handlebar | Rocky Mountain XC Riser |
| Handlebar Extensions | Not included |
| Stem | Rmb |
| Saddle | RMB Custom |
| Seatpost | RMB, 26.8mm diameter |
Wheels & Tires
| Hubs | Shimano Alivio |
|---|---|
| Rims | Alex Ace 19, 32-hole |
| Spokes | DT stainless steel, 15ga. (1.8mm) straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 1.95" Maxxis MOFO XC |
| Wheel Size | 26" wheels |
No specifications match. Try a component name or clear your search.
Geometry
Historical measurements. Frame size unknown.
Reference drawing
Size
Measurement
Measurement
—
Select an available measurement to locate it on the frame.
All geometry measurementsLegacy reference · 6 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 575 mm |
| Head-tube angle | 70.5° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 425 mm |
| Wheelbase | 1055 mm |
| Fork offset / rake | 38.1 mm |
Frame size not recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
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
Shimano BR-420 brakes
Shimano Deore levers
More parts (7)Fewer parts
Shimano BB-UN25
110mm spindle
Shimano FC-M440
22/32/42 teeth
Shimano Deore SGS
Shimano Deore Rapidfire Plus
RMB
26.8mm diameter
Alex Ace 19
32-hole
Shimano Alivio
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" Maxxis MOFO XC
- Drivetrain
- 9-speed
- Seatpost diameter
- 26.8 mm
- Bottom bracket / shell
- Shimano BB-UN25, 110mm spindle · 73mm English
Equipment inspection checks 11 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: TIG-welded · Fork: Rock Shox Pilot C, 100mm travel · Aluminum/magnesium, single crown
Suspension
Evaluate the suspension →Archived: Fork: Rock Shox Pilot C, 100mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano Deore Rapidfire Plus · Front derailleur: Shimano Alivio, top-pull/clamp-on 31.8mm · Rear derailleur: Shimano Deore SGS · Crankset: Shimano FC-M440, 22/32/42 teeth · Bottom bracket: Shimano BB-UN25, 110mm spindle · Rear cogs: 9-speed, 11 - 32 teeth · Chain: SRAM PC-48, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Shimano BR-420 brakes, Shimano Deore levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Alex Ace 19, 32-hole · Hubs: Shimano Alivio · Front tire: 26 x 1.95" Maxxis MOFO XC
Controls and contact points
Archived: Headset: 1 1/8" threadless Ritchey · Handlebar: Rocky Mountain XC Riser · Stem: RMB · Seatpost: RMB, 26.8mm diameter · Saddle: RMB Custom · Pedals: Big Flats
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.