Estimate uses the published front tire 26×2.1 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 GT Rebound
Original specifications: Shimano Alivio · 8-speed · mechanical rear derailleur · 26" wheels · legacy reference geometry.
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At a glance
- Model year
- 1999
- Category
- Mountain
- Original MSRP
- $522.99
- Sizes
- 12.5", 14.5", 16", 18", 20"
- Colors
- Matte Pewter, Solar Citrus
- Geometry
- Legacy reference
- In this record
- 27 specifications · original MSRP · geometry
- Archive ID
- 81799
Model history 4 other years
Original build7005 aluminum, butted · Mountain Mix · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 7005 aluminum, butted |
| Fork | Rock Shox Jett C, 1.8" travel |
| Fork Material | Aluminum/magnesium, triple-clamp crown |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano Alivio RapidFire SL |
| Front Derailleur | Shimano AceraX top-swing |
| Rear Derailleur | Shimano Alivio |
| Crankset | Shimano AceraX, 22/32/42 teeth |
| Bottom Bracket | Shimano cartridge |
| BB Shell Width | 68mm English |
| Rear Cogs | 8-speed, 11 - 30 teeth |
| Chain | Shimano IG, 1/2 x 3/32" |
| Pedals | Resin body/steel cage w/clips & straps |
Brakes
| Brakes | ProMax linear-pull brakes, Lee Chi GL-78, pewter finish levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless Aheadset STS |
|---|---|
| Handlebar | Flat alloy |
| Handlebar Extensions | Not included |
| Stem | Alloy Ahead type |
| Saddle | SDG Comp |
| Seatpost | Aluminum micro-adjust |
Wheels & Tires
| Hubs | Front: GT suspension Q/R, Rear: Shimano Alivio |
|---|---|
| Rims | Weinmann Zac 19, 32-hole |
| Spokes | DT stainless steel, 2.0mm straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 2.10" WTB VelociRaptor |
| 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 Use these as a historical reference, not for size-specific fit.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 | 575 mm |
| Head-tube angle | 70.5° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 426 mm |
| Wheelbase | 1070 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 GT Rebound · Mountain bike, front suspension · Published sizes: 12.5", 14.5", 16", 18", 20"
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: Rock Shox Jett C, 1.8" travel · Aluminum/magnesium, triple-clamp crown
Suspension
Evaluate the suspension →Archived: Fork: Rock Shox Jett C, 1.8" travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano Alivio RapidFire SL · Front derailleur: Shimano AceraX top-swing · Rear derailleur: Shimano Alivio · Crankset: Shimano AceraX, 22/32/42 teeth · Bottom bracket: Shimano cartridge · Rear cogs: 8-speed, 11 - 30 teeth · Chain: Shimano IG, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: ProMax linear-pull brakes, Lee Chi GL-78, pewter finish levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Weinmann Zac 19, 32-hole · Hubs: Front: GT suspension Q/R, Rear: Shimano Alivio · Front tire: 26 x 2.10" WTB VelociRaptor
Controls and contact points
Archived: Headset: 1 1/8" threadless Aheadset STS · Handlebar: Flat alloy · Stem: Alloy Ahead type · Seatpost: Aluminum micro-adjust · Saddle: SDG Comp · Pedals: Resin body/steel cage 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.

