Lowest0.86:1
Highest3.82:1
Total range445%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Uses front tire 26×1.95; rear size isn’t listed.
Velopedia Bicycle Archive
1998 Diamondback Wildwood
Original specifications: Shimano Altus · 7-speed · mechanical rear derailleur · 26" wheels · 31.4 lb published weight.
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At a glance
Archive #76518- Model year
- 1998
- Category
- Mountain
- Original MSRP
- $280.00
- Sizes
- 12", 14", 16", 18", 20", 22", womens 16", womens 18"
- Colors
- Cherry, Silver
- Weight
- 31.4 lb
- Geometry
- Legacy reference
- In this record
- 27 specifications · archived image · original MSRP · geometry
Model history 15 other years
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Identification clues
1998 archived details
- Published colors
- Cherry, Silver
- Frame
- Chromoly seat tube/hi-tensile steel
- Original equipment
- Mountain Mix
Clues, not proof of model year. Colors vary and components may have been replaced.
Original buildChromoly seat tube/hi-tensile steel · Mountain Mix · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Chromoly seat tube/hi-tensile steel |
| Fork | Diamondback |
| Fork Material | Hi-tensile steel, unicrown crown |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Grip Shift MRX-170 |
| Front Derailleur | Shimano Altus top-swing, top-pull/bottom bracket mount |
| Rear Derailleur | Shimano Altus |
| Crankset | Shimano Altus, 24/34/42 teeth |
| Bottom Bracket | YST BB 968, 116mm spindle |
| BB Shell Width | 68mm English |
| Rear Cogs | 7-speed, 11 - 28 teeth |
| Chain | KMC UG-50, 1/2 x 3/32" |
| Pedals | Wellgo LU-978 |
Brakes
| Brakes | Lee Chi ProMax linear-pull brakes, Lee Chi LP 20 levers |
|---|
Cockpit & Contact Points
| Headset | 1" YST steel |
|---|---|
| Handlebar | Diamondback steel |
| Handlebar Extensions | Not included |
| Stem | Diamondback steel |
| Saddle | Avenir Comfort Plus II |
| Seatpost | Avenir aluminum micro-adjust, 29.2mm diameter |
Wheels & Tires
| Hubs | Joy Tech aluminum, Q/R |
|---|---|
| Rims | Alex VP-20F, 36-hole |
| Spokes | Orient steel, 2.0mm straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 1.95" Kenda K-831 |
| 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 | 551.2 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 429.3 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
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 1.95" Kenda K-831
Replacement search: 26x1.95 bicycle tire Before ordering: Check rim type and tire clearance.
Lee Chi ProMax linear-pull brakes
Lee Chi LP 20 levers
Wellgo LU-978
More parts (4)Fewer parts
Shimano Altus
24/34/42 teeth
Shimano Altus
Avenir aluminum micro-adjust
29.2mm diameter
Alex VP-20F
36-hole
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" Kenda K-831
- Drivetrain
- 7-speed
- Seatpost diameter
- 29.2 mm
- Bottom bracket / shell
- YST BB 968, 116mm 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 · Fork: Diamondback · Hi-tensile steel, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Grip Shift MRX-170 · Front derailleur: Shimano Altus top-swing, top-pull/bottom bracket mount · Rear derailleur: Shimano Altus · Crankset: Shimano Altus, 24/34/42 teeth · Bottom bracket: YST BB 968, 116mm spindle · Rear cogs: 7-speed, 11 - 28 teeth · Chain: KMC UG-50, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Lee Chi ProMax linear-pull brakes, Lee Chi LP 20 levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Alex VP-20F, 36-hole · Hubs: Joy Tech aluminum, Q/R · Front tire: 26 x 1.95" Kenda K-831
Controls and contact points
Archived: Headset: 1" YST steel · Handlebar: Diamondback steel · Stem: Diamondback steel · Seatpost: Avenir aluminum micro-adjust, 29.2mm diameter · Saddle: Avenir Comfort Plus II · Pedals: Wellgo LU-978
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.