Diamondback REACTOR JR 2004 VS GT POWER SERIES ULTRA BOX 2003 specs comparison

Diamondback Reactor Jr
General InfosModel | Reactor Jr |
Manufacturer | Diamondback |
Year of production | 2004 |
Current price | Check price Here ==> |
Color choice | -Super Nickel |
Sizes | - 20 (inches) |
Sizes | - 20 (inches) |
Wheels And Breaking System
Bike front tire | 20 X 1 3/8 (inches) Tioga Comp III |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro Rear LeversTektro Alloy Rear Brakes |
Hubs for disc brakes | Low FlangeSealed Mechanism |
Rims manufacturer | 24-hole and 28-holeAlex R390 |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Jr. Aluminum |
Handlebar extender | Not Available |
Handlebar stem details | RMX Jr. |
Headset size | 1 (inches) FSA |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)KMC Z610 |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | Tapered SpindleSealed |
Crankset parts and sizes | 42 TeethForged Alloy |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Diamondback Reactor Jr Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Single CrownCRMO |
Fork type | RMX Junior |
Other Specs of Diamondback Reactor Jr
Component group sets | Not Available |
Pedals details | Aluminum Platform |
Rear shock absorber | Not Available |
Saddle seat | PaddedUniStyle |
Seat post extension | 22.2 (millimeters) DiameterIntergrated |

GT Power Series Ultra Box
General InfosModel | Power Series Ultra Box |
Manufacturer | GT |
Year of production | 2003 |
Current price | Check price Here ==> |
Color choice | -Avus Blue |
Sizes | - One |
Wheels And Breaking System
Bike front tire | 20 X 2.125 (inches) IRC Siren |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro BX-2 Rear LeversTektro BX-25 Rear Brakes |
Hubs for disc brakes | GT Rhythm System II |
Rims manufacturer | GT Rhythm System |
Spoke nipples type | Aluminum Nipples |
Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | GT BMX |
Handlebar extender | Not Available |
Handlebar stem details | GT Piston |
Headset size | 1 1/8 (inches) Threadless FSA Orbit Z |
Gearing Specifications
Bicycle chain | 1/2 X 3/16 (inches)KMC Z610HX |
Bottom bracket shell width | Euro |
Bottom bracket type | Sealed Cartridge |
Crankset parts and sizes | 44 TeethGT 3-piece Chromoly |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
GT Power Series Ultra Box Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | GT |
Other Specs of GT Power Series Ultra Box
Component group sets | Not Available |
Pedals details | GT BMX Design Aluminum |
Rear shock absorber | Not Available |
Saddle seat | GT Dropnose |
Seat post extension | 31.6 (millimeters) DiameterAluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Diamondback provided us with the latest version of its Reactor Jr bike manual
- Find All parts, tires and accessories of Diamondback Reactor Jr BMX here
- Get your GT Power Series Ultra Box manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Power Series Ultra Box BMX here