GT THUMPER 2003 VS Eastern Bikes PRO JANE 2004 specs comparison
GT Thumper
General Infos| Model | Thumper |
| Manufacturer | GT |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice |
- TT Gray -Moro Blue |
| Sizes |
- One |
| Sizes |
- One |
Wheels And Breaking System
| Bike front tire | 20 X 2.10 (inches) GT LP-4 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 273A Rear Levers Tektro FX-11 U-brake Rear Brakes |
| Hubs for disc brakes | 14 (millimeters) Axle Aluminum |
| Rims manufacturer | 36-hole Alex G22 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston |
| Headset size | 1 1/8 (inches) Threadless Tange-Seiki TGMX |
Gearing Specifications
| Bicycle chain | 1/2 X 3/16 (inches) KMC 410 |
| Bottom bracket shell width | American |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 39 Teeth GT 3-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
GT Thumper Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Thumper
| Component group sets | Not Available |
| Pedals details | GT Johnson Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT Launch Pad |
| Seat post extension | Steel Micro-adjust |
Eastern Bikes Pro Jane
General Infos| Model | Pro Jane |
| Manufacturer | Eastern Bikes |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Black |
| Sizes |
- Pro |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe Tech 99 Rear Levers DiaTech 996 Hombre U-Brake Rear Brakes |
| Hubs for disc brakes | Rear: Eastern 14 (millimeters) Axle Cassette Front: Eastern 14 (millimeters) Axle |
| Rims manufacturer | 48-hole Alex Supra B |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | Eastern 2-piece Chromoly |
| Handlebar extender | Not Available |
| Handlebar stem details | Eastern JFK |
| Headset size | 1 1/8 (inches) Threadless Dia-Compe Tank-FS |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z710 |
| Bottom bracket shell width | American |
| Bottom bracket type | Sealed Three Piece |
| Crankset parts and sizes | 30 Teeth 3-piece Chromoly 175 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 11 Teeth 1-speed |
Eastern Bikes Pro Jane Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Eastern Pro Fork |
Other Specs of Eastern Bikes Pro Jane
| Component group sets | Not Available |
| Pedals details | Replaceble Pins Eastern |
| Rear shock absorber | Not Available |
| Saddle seat | Eastern ID |
| Seat post extension | Chromoly Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Thumper bike manual
- Find All parts, tires and accessories of GT Thumper Freestyle here
- Get your Eastern Bikes Pro Jane manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Eastern Bikes Pro Jane Freestyle here