GT BUMP 2004 VS Diamondback JOKER 1999 specs comparison
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
- Silver -Red |
| Sizes |
- One |
| Sizes |
- One |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 2.10 (inches) GT LP-4 Front: 20 X 2.20 (inches) GT 1453 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 274A Rear Levers Tektro 907A 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 Main Triangle and hi-tensile Steel Rear Stays |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston |
| Headset size | 1 1/8 (inches) Threadless Victor VP-A74F |
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 Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Bump
| Component group sets | Not Available |
| Pedals details | GT Johnson Design |
| Rear shock absorber | Not Available |
| Saddle seat | 9 (millimeters) Rails GT Jr Jump |
| Seat post extension | Steel Micro-adjust |
Diamondback Joker
General Infos| Model | Joker |
| Manufacturer | Diamondback |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Chrome-Plated - Mustard -Black |
| Sizes |
- Pro |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Freestyle |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe 120 Levers Dia-Compe Bulldog Front and aluminum U-brake Rear Brakes |
| Hubs for disc brakes | Nutted Aluminum |
| Rims manufacturer | 48-hole Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Shuhn Lih Stainless Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Freestyle |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Threadless Aheadset SB-1 With SST Oryg Detangler |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| Bottom bracket shell width | American |
| Bottom bracket type | YST BB 621 |
| Crankset parts and sizes | 44 Teeth 1-piece Steel |
| 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 Hi-tensile Steel |
| Fork type | Diamondback |
Other Specs of Diamondback Joker
| Component group sets | Not Available |
| Pedals details | Resin Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Diamondback Freestyle |
| Seat post extension | 25.4 (millimeters) Diameter Chromoly |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Bump bike manual
- Find All parts, tires and accessories of GT Bump Freestyle here
- Get your Diamondback Joker manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback Joker Freestyle here