
Velopedia Bicycle Archive
2006 GT Avalanche 2.0 Disc
Original manufacturer specifications including Mountain Mix drivetrain, 26" wheels.
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What Velopedia knows
- Model year
- 2006
- Category
- Mountain
- Original MSRP
- $539.99
- Sizes
- XS, S, M, L, XL
- Colors
- Blue, Gray
- Record coverage
- 31 preserved details · archived image · original MSRP
- Archive ID
- 11294
Model history 6 other years
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | GT Triple Triangle design 6061 butted aluminum |
| Fork | RST Omega T6, 80-120mm |
| Fork Material | Aluminum/magnesium |
| Rear Shock | N/A |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano ST-EF29 |
| Front Derailleur | Shimano M330 |
| Rear Derailleur | Shimano Deore |
| Crankset | Truvativ ISO FLO, 22/32/42 teeth |
| Bottom Bracket | TruVativ Power Spline |
| Rear Cogs | 8-speed, 11 - 32 teeth |
| Chain | Shimano CN-IG31 |
| Pedals | ATB Resin body, Steel cage, toe clip compatible |
Brakes
| Brakes | Tektro Aquila Mechanical Disc, forged caliper with dial adjust pad centerin front/Tektro Aquila Mechanical Disc rear brakes, Shimano ST-EF29 levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" TH Zero Stack |
|---|---|
| Handlebar | Alum. 20 mm Rise, 6 degree bend, anatomically sized |
| Handlebar Extensions | N/A |
| Stem | GT ATB, threadless 25 degree rise with four bolt alum face plate |
| Saddle | WTB Speed V |
| Seatpost | Alloy Micro adjust |
Wheels & Tires
| Hubs | Front: Alloy QR for Disc, Rear: Alloy 8 speed Cassette with QR for Disc |
|---|---|
| Rims | Alloy double wall ATB |
| Spokes | Stainless steel, 14ga. (2.0mm) Straight Gauge |
| Spoke Nipples | Brass CP |
| Front Tire | Front: 26 x 1.95" Tioga Factory Extreme, Rear: 26 x 1.95" Tioga Factory XC |
| Wheel Size | 26" wheels |
Parts & serviceability
Find replacement parts
Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases. Commercial relationships do not influence Archive specifications or analysis.
Used-bike inspection
If you’re buying this bike used
Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.
Follow the full used-bike inspection order →- FrameLook closely for dents and hairline cracks around welds, the head tube and bottom-bracket area. Cosmetic scratches matter less than a change in shape or a crack line.Inspect the frame and fork →
- BrakesMake sure both cables move freely and the calipers release cleanly. Check pad thickness, rotor wear and rotor alignment.Inspect the brakes →
- SuspensionAsk when the fork was last serviced. Check the stanchions for damage, look for oil at the seals and make sure the fork moves smoothly without bushing play.Evaluate the suspension →
- DrivetrainShift through every gear under light load and measure chain wear. Confirm that the shifter, derailleur, chain and cassette belong to the same 8-speed system.Check drivetrain wear →
- Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.Check wheels and tires →
Bike-specific inspection checklist 21 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: 2006 GT Avalanche 2.0 Disc · Mountain bike, front suspension · Published sizes: XS, S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: RST Omega T6, 80-120mm · Aluminum/magnesium
Suspension
Evaluate the suspension →Archived: Fork: RST Omega T6, 80-120mm
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano ST-EF29 · Front derailleur: Shimano M330 · Rear derailleur: Shimano Deore · Crankset: Truvativ ISO FLO, 22/32/42 teeth · Bottom bracket: TruVativ Power Spline · Rear cogs: 8-speed, 11 - 32 teeth · Chain: Shimano CN-IG31
Brakes
Inspect the brakes →Archived: Brakes: Tektro Aquila Mechanical Disc, forged caliper with dial adjust pad centerin front/Tektro Aquila Mechanical Disc rear brakes, Shimano ST-EF29 levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Alloy double wall ATB · Hubs: Front: Alloy QR for Disc, Rear: Alloy 8 speed Cassette with QR for Disc · Front tire: Front: 26 x 1.95" Tioga Factory Extreme, Rear: 26 x 1.95" Tioga Factory XC
Controls and contact points
Archived: Headset: 1 1/8" TH Zero Stack · Handlebar: Alum. 20 mm Rise, 6 degree bend, anatomically sized · Stem: GT ATB, threadless 25 degree rise with four bolt alum face plate · Seatpost: Alloy Micro adjust · Saddle: WTB Speed V · Pedals: ATB Resin body, Steel cage, toe clip compatible
Before and during the test ride
Follow the full used-bike inspection order →Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.
Have you owned this bike?Help document firsthand fit, ride and maintenance details that may no longer be available.
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Recently checked marketplace data
Market Snapshot
Velopedia did not find a close used eBay listing in the latest snapshot. New and used listings remain separate.
Listings shown have not passed their eBay-supplied end time. Velopedia rechecks matched bicycles on a protected weekly cycle; availability can still change between checks. Price calculations use active fixed-price and Best Offer item prices before shipping and tax. Auction bids, auction-only prices, classified ads, lower-confidence Review candidates and ended listings are excluded. These observations are not completed-sale prices, a certified appraisal or a guarantee of value.
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.



