Lowest1.12:1
Highest3.45:1
Total range309%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Uses front tire 26×2.4; rear size isn’t listed.
Velopedia Bicycle Archive
2004 GT Chucker 2.0
Original specifications: Mountain Mix drivetrain · 26" wheels.
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At a glance
Archive #31394- Model year
- 2004
- Category
- Mountain
- Original MSRP
- $429.99
- Sizes
- M
- In this record
- 25 specifications · archived image · original MSRP
Model history 6 other years
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Identification clues
2004 archived details
- Frame
- 7005 aluminum
- Original equipment
- Mountain Mix
Clues, not proof of model year. Colors vary and components may have been replaced.
Original build7005 aluminum · Mountain Mix · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 7005 aluminum |
| Fork | RST Gila, 75mm travel |
| Fork Material | Aluminum, single crown |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | SRAM 3.0 |
| Rear Derailleur | SRAM ESP 4.0 |
| Crankset | RPM aluminum, 38 teeth |
| Bottom Bracket | TH/RPM cartridge |
| Rear Cogs | 8-speed, 11 - 34 teeth |
| Chain | SRAM PC-38, 1/2 X 3/32" |
| Pedals | GT CNC Aluminum |
Brakes
| Brakes | ProMax linear-pull brakes, ProMax linear-pull levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless aluminum |
|---|---|
| Handlebar | Aluminum, rise |
| Handlebar Extensions | Not included |
| Stem | Aluminum |
| Saddle | WTB Pure V |
| Seatpost | Aluminum micro-adjust, 31.6mm diameter |
Wheels & Tires
| Hubs | Shimano Disc |
|---|---|
| Rims | Alex DM-24 |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 26 x 2.40" WTB MotoRaptor |
| Wheel Size | 26" wheels |
No specifications match. Try a component name or clear your search.
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
SRAM PC-38
1/2 x 3/32"
Retailer offers
SRAM PC-830 Chain One Color, 8 Speed
Replacement option
SRAM PC-38 on eBaySponsored links
Aluminum micro-adjust
31.6mm diameter
Retailer offers
FSA Gossamer SB20 Seatpost Black, 31.6mm, 350mm
Replacement option
More parts (3)Fewer parts
ProMax linear-pull brakes
ProMax linear-pull levers
WTB Pure V
Alex DM-24
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 2.40" WTB MotoRaptor
- Drivetrain
- 8-speed
- Seatpost diameter
- 31.6 mm
- Bottom bracket / shell
- TH/RPM cartridge
Equipment inspection checks 11 checks based on 6 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: RST Gila, 75mm travel · Aluminum, single crown
Suspension
Evaluate the suspension →Archived: Fork: RST Gila, 75mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: SRAM 3.0 · Rear derailleur: SRAM ESP 4.0 · Crankset: RPM aluminum, 38 teeth · Bottom bracket: TH/RPM cartridge · Rear cogs: 8-speed, 11 - 34 teeth · Chain: SRAM PC-38, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: ProMax linear-pull brakes, ProMax linear-pull levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Alex DM-24 · Hubs: Shimano Disc · Front tire: 26 x 2.40" WTB MotoRaptor
Controls and contact points
Archived: Headset: 1 1/8" threadless aluminum · Handlebar: Aluminum, rise · Stem: Aluminum · Seatpost: Aluminum micro-adjust, 31.6mm diameter · Saddle: WTB Pure V · Pedals: GT CNC Aluminum
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.