GT THUMPER 2001 VS Diamondback OPTION 2002 specs comparison
GT Thumper
General Infos| Model | Thumper |
| Manufacturer | GT |
| Year of production | 2001 |
| Current price | Check price Here ==> |
| Color choice |
- Starlight Blue -Martian Green |
| Sizes |
- Pro |
| Sizes |
- Pro |
Wheels And Breaking System
| Bike front tire | 20 X 2.10 (inches) GT LP-III |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 270-AX Rear Levers Tektro FX-20 U Brake Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 48-hole Alex AL-MX22 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14g |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | GT F.U.B.A.R. |
| Handlebar extender | Optional |
| Handlebar stem details | GT Johnson |
| Headset size | 1 1/8 (inches) Threadless Tange Seiki STE |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | 44 Teeth GT 3-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 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 Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | GT Aluminum Micro-adjust |
Diamondback Option
General Infos| Model | Option |
| Manufacturer | Diamondback |
| Year of production | 2002 |
| Current price | Check price Here ==> |
| Color choice |
-Grey |
| Sizes |
- Professional size |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Kenda K-841 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Aluminum Rear Levers Aluminum U-brake Rear Brakes |
| Hubs for disc brakes | Aluminum |
| Rims manufacturer | 48-hole Double Wall Aluminum |
| 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 | Chromoly BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Threadless Aluminum |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC K-710 |
| Bottom bracket shell width | American |
| Bottom bracket type | Sealed |
| Crankset parts and sizes | 39 Teeth 3-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
Diamondback Option Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Hawkeye Freestyle |
Other Specs of Diamondback Option
| Component group sets | Not Available |
| Pedals details | Wellgo LU-A8U |
| Rear shock absorber | Not Available |
| Saddle seat | Diamondback BMX |
| Seat post extension | 25.4 (millimeters) Diameter Aluminum |
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 Diamondback Option manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback Option Freestyle here