Uses front tire 26×2.1; rear size isn’t listed.
Velopedia Bicycle Archive
1997 Ross Bryce Canyon
Original specifications: Shimano Altus drivetrain · 26" wheels · legacy reference geometry.
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At a glance
Archive #69677- Model year
- 1997
- Category
- Mountain
- Original MSRP
- $399.95
- Sizes
- 14", 16", 18", 20", 22"
- Colors
- Green/silver fade
- Geometry
- Legacy reference
- In this record
- 27 specifications · archived image · original MSRP · geometry
Original build7005 aluminum, oversize · Shimano Altus · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 7005 aluminum, oversize |
| Fork | Polygon SF115 |
| Fork Material | Aluminum, triple-clamp crown |
Drivetrain
| Component Group | Shimano Altus |
|---|---|
| Shifters | Grip Shift MRX-100 |
| Front Derailleur | Shimano Alivio top-swing, top-pull/clamp-on 35.0 mm |
| Rear Derailleur | Shimano Altus |
| Crankset | Cyclone CPI-348 SQS, 22/34/42 teeth |
| Bottom Bracket | YST BB 970, 113 mm spindle |
| BB Shell Width | 73mm Threadless |
| Rear Cogs | 7-speed, 11 - 28 teeth |
| Chain | Taya TB-400, 1/2 x 3/32" |
| Pedals | Steel cage, resin body w/clips & straps |
Brakes
| Brakes | Aluminum cantilever brakes, aluminum levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless Victor Modus VP-H300 sealed |
|---|---|
| Handlebar | Wei Hau steel |
| Handlebar Extensions | Ross |
| Stem | Wei Hau steel |
| Saddle | Selle Master VL-252 |
| Seatpost | Polygon PM-312, 31.6 mm diameter |
Wheels & Tires
| Hubs | Front: Joy Tech Big Hub Q/R, Rear: Joy Tech aluminum cassette, Q/R |
|---|---|
| Rims | Rigida AS-26, 32-hole |
| Spokes | Richman stainless steel, 2.0mm straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 2.10" Duro HF-840 |
| Wheel Size | 26" wheels |
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Geometry
Historical measurements. Frame size unknown.
Reference drawing
Select an available measurement to locate it on the frame.
All geometry measurementsLegacy reference · 6 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 516 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 425 mm |
| Wheelbase | 1049 mm |
| Fork offset / rake | 45 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
31.6 mm diameter

FSA Gossamer SB20 Seatpost Black, 31.6mm, 350mm
Replacement option
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 2.10" Duro HF-840
- Drivetrain
- 7-speed
- Seatpost diameter
- 31.6 mm
- Bottom bracket / shell
- YST BB 970, 113 mm spindle · 73mm Threadless
Equipment inspection checks 12 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: Polygon SF115 · Aluminum, triple-clamp crown
Suspension
Evaluate the suspension →Archived: Fork: Polygon SF115
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Altus · Shifters: Grip Shift MRX-100 · Front derailleur: Shimano Alivio top-swing, top-pull/clamp-on 35.0 mm · Rear derailleur: Shimano Altus · Crankset: Cyclone CPI-348 SQS, 22/34/42 teeth · Bottom bracket: YST BB 970, 113 mm spindle · Rear cogs: 7-speed, 11 - 28 teeth · Chain: Taya TB-400, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Aluminum cantilever brakes, aluminum levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Rigida AS-26, 32-hole · Hubs: Front: Joy Tech Big Hub Q/R, Rear: Joy Tech aluminum cassette, Q/R · Front tire: 26 x 2.10" Duro HF-840
Controls and contact points
Archived: Headset: 1 1/8" threadless Victor Modus VP-H300 sealed · Handlebar: Wei Hau steel · Stem: Wei Hau steel · Seatpost: Polygon PM-312, 31.6 mm diameter · Saddle: Selle Master VL-252 · Pedals: Steel cage, resin body w/clips & straps
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




