Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 31454
| Model year | 2004 |
|---|---|
| Brand | GT |
| Model | Power Series Ultra Box |
| Bicycle type | BMX |
| Archive ID | 31454 |
| Original MSRP | $699.99 |
| Colors | Blue |
| Sizes | Pro XL |
| Frame construction | TIG-welded |
|---|---|
| Frame material | 6061 T6 aluminum |
| Fork | GT |
| Fork material | Chromoly, unicrown crown |
| Rear shock | N/A |
| Component group | N/A |
|---|---|
| Shifters | N/A |
| Front derailleur | N/A |
| Rear derailleur | N/A |
| Crankset | TruVativ Racing Team, 44 teeth |
| Bottom bracket | TruVativ GIGA pipe DH |
| BB shell width | 68mm English |
| Rear cogs | 1-speed, 16 teeth |
| Chain | KMC Z610HX, 1/2 X 1/8" |
| Pedals | Wellgo clipless |
| Brakes | Tektro BX-25 rear brakes, Tektro BX-2 rear levers |
|---|
| Headset | 1 1/8" threadless FSA Orbit Z |
|---|---|
| Handlebar | GT BMX |
| Handlebar extensions | N/A |
| Stem | GT Piston |
| Saddle | SDG I-Fly |
| Seatpost | SDG I-Fly, 27.0mm diameter |
| Hubs | GT BMX |
|---|---|
| Rims | Alex Supra B, 36-hole |
| Spokes | Steel, 14ga. (2.0mm) straight gauge |
| Spoke nipples | Brass nipples |
| Front tire | 20 x 2.125" IRC Siren |
| Rear tire | 20 x 1.75" IRC Siren |
| Wheel size | 20" wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 12, 2026.