Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 11306
| Model year | 2006 |
|---|---|
| Brand | GT |
| Model | Bump |
| Bicycle type | BMX |
| Archive ID | 11306 |
| Original MSRP | $269.99 |
| Colors | RootBeer Brown, Pink |
| Sizes | 20" wheel |
| Frame construction | TIG-welded |
|---|---|
| Frame material | 3-tube chromoly |
| Fork | '05 GT dirt jump design |
| Fork material | Chromoly |
| Rear shock | N/A |
| Component group | BMX |
|---|---|
| Shifters | N/A |
| Front derailleur | N/A |
| Rear derailleur | N/A |
| Crankset | GT Tubular Cr-Mo 3pc, 36 teeth |
| Bottom bracket | Steel, ball type |
| Rear cogs | 1-speed, 13 teeth |
| Chain | KMC Z410 |
| Pedals | '05 GT Dirt/Street platform design, aluminum body, cr-mo alxe |
| Brakes | Alloy side-pull caliper front/Tektro, 907AD, dual anchor bolts, forged aluminum U-brake rear brakes, Tektro, 274A, aluminum levers |
|---|
| Headset | 1 1/8" Tange Seiki FATTY 22, extra deep cup engagement |
|---|---|
| Handlebar | GT dirt/street bend, Cr-mo, 7" rise |
| Handlebar extensions | N/A |
| Stem | GT Johnson III design, cold forged aluminum |
| Saddle | GT "Star 19" two piece design, 9mm rails |
| Seatpost | Aluminum double bolt micro adjust |
| Hubs | Front: '05 GT branded, aluminum body, sealed Mech. bearings, 3/8" Cr-Mo axle, 36 h, Rear: '05 GT branded, aluminum body, sealed Mech. bearins, 14mm Cr-Mo axle, 36 ho |
|---|---|
| Rims | Alex G22, aluminum, 36 hole, 30mm width, 36-hole |
| Spokes | 14ga. (2.0mm) Straight Gauge |
| Spoke nipples | Brass nipples |
| Front tire | Front: 26 x 2.20" GT-1453, Rear: 26 x 2.10" GT LP-IV |
| Wheel size | 26" wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 25, 2026.