Diamondback JOKER 2003 VS GT THUMPER 2001 specs comparison

Diamondback Joker
General InfosModel | Joker |
Manufacturer | Diamondback |
Year of production | 2003 |
Current price | Check price Here ==> |
Color choice |
- Industrial -Black |
Sizes |
- Pro |
Sizes |
- Pro |
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 Aluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
Frame materials | Hi-tensile Steel |
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 Z410 |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | Sealed |
Crankset parts and sizes | 44 Teeth 1-piece 175 (millimeters) |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth 1-speed |
Diamondback Joker Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown Crown Chromoly |
Fork type | Hawkeye Freestyle |
Other Specs of Diamondback Joker
Component group sets | Not Available |
Pedals details | Wellgo LU-313 |
Rear shock absorber | Not Available |
Saddle seat | Diamondback BMX |
Seat post extension | 25.4 (millimeters) Diameter Aluminum |

GT Thumper
General InfosModel | Thumper |
Manufacturer | GT |
Year of production | 2001 |
Current price | Check price Here ==> |
Color choice |
- Starlight Blue -Martian Green |
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 |
Useful links and guides ....
- To know more about this exacte bike, Diamondback provided us with the latest version of its Joker bike manual
- Find All parts, tires and accessories of Diamondback Joker Freestyle here
- Get your GT Thumper manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Thumper Freestyle here