Velopedia Bicycle Archive
2003 GT Thumper
Freestyle/jumping bicycle from the Velopedia specification archive.
- Original MSRP
- $299.99
- Sizes
- One
- Colors
- Moro Blue, TT Gray
- Archive ID
- 38608
Current market
Checking current listings…Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Chromoly |
| Fork | GT |
| Fork Material | Chromoly, unicrown crown |
| Rear Shock | N/A |
Drivetrain
| Component Group | N/A |
|---|---|
| Shifters | N/A |
| Front Derailleur | N/A |
| Rear Derailleur | N/A |
| Crankset | GT 3-piece chromoly, 39 teeth |
| BB Shell Width | American |
| Rear Cogs | 1-speed, 14 teeth |
| Chain | KMC 410, 1/2 x 3/16" |
| Pedals | GT Johnson design |
Brakes
| Brakes | Tektro FX-11 U-brake rear brakes, Tektro 273A rear levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless Tange-Seiki TGMX |
|---|---|
| Handlebar | GT BMX |
| Handlebar Extensions | N/A |
| Stem | GT Piston |
| Saddle | GT Launch Pad |
| Seatpost | Steel micro-adjust |
Wheels & Tires
| Hubs | Aluminum, 14mm axle |
|---|---|
| Rims | Alex G22, 36-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Spoke Nipples | Brass nipples |
| Front Tire | 20 x 2.10" GT LP-4 |
| Wheel Size | 20" wheels |
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.