Estimate uses the published front tire 26×1.95 as a proxy, corroborated by the wheel size. Rear tire size is not published or verified. Approximate circumference; actual rollout varies with tire and pressure. Theoretical, not a maximum achievable speed.
Velopedia Bicycle Archive
1999 Jamis Durango SX
Original specifications: Shimano STX RC · 8-speed · mechanical rear derailleur · 26" wheels · 28.25 lb published weight.
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At a glance
- Model year
- 1999
- Category
- Mountain
- Original MSRP
- $499.95
- Sizes
- 12", 14", 17", 19", 21"
- Colors
- Bone White, Flame Red
- Weight
- 28.25 lb
- Geometry
- Legacy reference
- In this record
- 27 specifications · archived image · original MSRP · geometry
- Archive ID
- 84137
Model history 7 other years
Original build7005 aluminum w/replaceable derailleur hanger · Mountain Mix · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 7005 aluminum w/replaceable derailleur hanger |
| Fork | RST 381R, 2.75" travel |
| Fork Material | Aluminum/chromoly, triple-clamp crown |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano Alivio RapidFire SL |
| Front Derailleur | Shimano Alivio top-swing, top-pull/clamp-on 31.8mm |
| Rear Derailleur | Shimano STX-RC |
| Crankset | Shimano Alivio, 24/34/42 teeth |
| Bottom Bracket | Shimano BB-LP27, 110mm spindle |
| BB Shell Width | 68mm English |
| Rear Cogs | 8-speed, 11 - 30 teeth |
| Chain | KMC IG-51, 1/2 x 3/32" |
| Pedals | Wellgo LU-955A w/clips & straps |
Brakes
| Brakes | Tektro 823A linear-pull brakes, Tektro 381A levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless Aheadset STS |
|---|---|
| Handlebar | Kalloy Riser 6061 butted |
| Handlebar Extensions | Not included |
| Stem | Kalloy aluminum |
| Saddle | Velo VL-2000 |
| Seatpost | Kalloy SP-339, 27.2mm diameter |
Wheels & Tires
| Hubs | Front: Formula OV 31, Rear: Shimano Alivio |
|---|---|
| Rims | Sun Rims ZJ-19, 32-hole |
| Spokes | Sha-Dar stainless steel, 1.8mm straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 1.95" Hutchinson Chameleon |
| Wheel Size | 26" wheels |
Geometry
Model-level measurements; the frame size was not recorded. Use these as a historical reference, not for size-specific fit.
Reference frame view
Select an available measurement to locate it on the frame.
All geometry measurementsLegacy reference · 5 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 555 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 425 mm |
| Wheelbase | 1055 mm |
The preserved source contains one model-level geometry set without an identified frame size.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 1999 Jamis Durango SX · Mountain bike, front suspension · Published sizes: 12", 14", 17", 19", 21"
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: RST 381R, 2.75" travel · Aluminum/chromoly, triple-clamp crown
Suspension
Evaluate the suspension →Archived: Fork: RST 381R, 2.75" travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano Alivio RapidFire SL · Front derailleur: Shimano Alivio top-swing, top-pull/clamp-on 31.8mm · Rear derailleur: Shimano STX-RC · Crankset: Shimano Alivio, 24/34/42 teeth · Bottom bracket: Shimano BB-LP27, 110mm spindle · Rear cogs: 8-speed, 11 - 30 teeth · Chain: KMC IG-51, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Tektro 823A linear-pull brakes, Tektro 381A levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Sun Rims ZJ-19, 32-hole · Hubs: Front: Formula OV 31, Rear: Shimano Alivio · Front tire: 26 x 1.95" Hutchinson Chameleon
Controls and contact points
Archived: Headset: 1 1/8" threadless Aheadset STS · Handlebar: Kalloy Riser 6061 butted · Stem: Kalloy aluminum · Seatpost: Kalloy SP-339, 27.2mm diameter · Saddle: Velo VL-2000 · Pedals: Wellgo LU-955A w/clips & straps
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





