Lowest0.79:1
Highest3.82:1
Total range486%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Rear tire: 26×2.
Velopedia Bicycle Archive
1996 Diamondback Topanga
Original specifications: Shimano Alivio drivetrain · 26" wheels · legacy reference geometry.
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No archive photo is available for this record.
At a glance
Archive #53590- Model year
- 1996
- Category
- Mountain
- Original MSRP
- $429.00
- Sizes
- 14", 16", 18", 20"
- Colors
- Gunpowder, Olive Metallic
- Geometry
- Legacy reference
- In this record
- 27 specifications · original MSRP · geometry
Model history 8 other years
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Identification clues
1996 archived details
- Published colors
- Gunpowder, Olive Metallic
- Frame
- Chromoly, oversize
- Original equipment
- Shimano Alivio
Clues, not proof of model year. Colors vary and components may have been replaced.
Original buildChromoly, oversize · Shimano Alivio · 26" wheels
Frameset
| Frame Construction | TIG-welded steel |
|---|---|
| Frame Material | Chromoly, oversize |
| Fork | Tange |
| Fork Material | Chromoly, forged dropouts, unicrown crown |
Drivetrain
| Component Group | Shimano Alivio |
|---|---|
| Shifters | Grip Shift SRT-400 |
| Front Derailleur | Shimano Alivio top-swing, top-pull |
| Rear Derailleur | Shimano STX |
| Crankset | SR CW-CH35, 22/32/42 teeth |
| Bottom Bracket | Shimano BB-LP26, 110 mm spindle |
| BB Shell Width | 68mm English |
| Rear Cogs | 7-speed, 11 - 28 teeth |
| Chain | Shimano CN-IG31, 1/2 x 3/32" |
| Pedals | Wellgo LU-951 |
Brakes
| Brakes | Chang Star 857AT brakes, Chang Star 264A levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" Victor VP-H97 |
|---|---|
| Handlebar | Hsin Lung MTB 110 |
| Handlebar Extensions | Avenir |
| Stem | Hsin Lung MTS 310-5 |
| Saddle | Selle San Marco Linea Pro |
| Seatpost | Lee Chi SP-204 alloy, 25.8 mm diameter |
Wheels & Tires
| Rims | Araya GP-710, 32-hole |
|---|---|
| Spokes | Stainless steel, 2.0mm straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 2.00" Tioga Psycho |
| Rear Tire | 26 x 2.00" Tioga Psycho T |
| 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 | 563.9 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 424.2 mm |
| Wheelbase | 1059.2 mm |
| Fork offset / rake | 45 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
26 x 2.00" Tioga Psycho
Replacement search: 26x2 bicycle tire Before ordering: Check rim type and tire clearance.
Shimano BB-LP26
110 mm spindle
More parts (4)Fewer parts
Wellgo LU-951
Shimano Alivio top-swing
top-pull
Shimano STX
Lee Chi SP-204 alloy
25.8 mm diameter
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
- Front: 26 x 2.00" Tioga Psycho, Rear: 26 x 2.00" Tioga Psycho T
- Drivetrain
- 7-speed
- Seatpost diameter
- 25.8 mm
- Bottom bracket / shell
- Shimano BB-LP26, 110 mm spindle · 68mm English
Equipment inspection checks 10 checks based on 5 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 steel · Fork: Tange · Chromoly, forged dropouts, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Alivio · Shifters: Grip Shift SRT-400 · Front derailleur: Shimano Alivio top-swing, top-pull · Rear derailleur: Shimano STX · Crankset: SR CW-CH35, 22/32/42 teeth · Bottom bracket: Shimano BB-LP26, 110 mm spindle · Rear cogs: 7-speed, 11 - 28 teeth · Chain: Shimano CN-IG31, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Chang Star 857AT brakes, Chang Star 264A levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Araya GP-710, 32-hole · Front tire: Front: 26 x 2.00" Tioga Psycho, Rear: 26 x 2.00" Tioga Psycho T
Controls and contact points
Archived: Headset: 1 1/8" Victor VP-H97 · Handlebar: Hsin Lung MTB 110 · Stem: Hsin Lung MTS 310-5 · Seatpost: Lee Chi SP-204 alloy, 25.8 mm diameter · Saddle: Selle San Marco Linea Pro · Pedals: Wellgo LU-951
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.