Auburn JR-20RX 1995 VS GT POWER SERIES ULTRA-BOX 2008 specs comparison
Auburn JR-20RX
General InfosModel | JR-20RX |
Manufacturer | Auburn |
Year of production | 1995 |
Current price | Check price Here ==> |
Color choice | -Blue anodized |
Sizes | - Boys |
Sizes | - Boys |
Wheels And Breaking System
Bike front tire | 20 X 1 1/8 (inches) GT AA Pro |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe MX-122 Jr LeversDia-Compe 500NR Brakes |
Hubs for disc brakes | GT Alloy |
Rims manufacturer | 28-holeSun Metal MP-13 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeSteel |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | Welded Aluminum |
Handlebar construction | GT BMX Mini |
Handlebar extender | Not Available |
Handlebar stem details | GT Mini Alloy |
Headset size | 1 (inches) GT Pro Series |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)KMC |
Bottom bracket shell width | Not Available |
Bottom bracket type | Not Available |
Crankset parts and sizes | 42 TeethSugino GT |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Auburn JR-20RX Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | Auburn Mini |
Other Specs of Auburn JR-20RX
Component group sets | Not Available |
Pedals details | GT Alloy |
Rear shock absorber | Not Available |
Saddle seat | One-piece Nylon |
Seat post extension | 20.6 (millimeters) Diameter CompositeIntegral To Saddle |

GT Power Series Ultra-Box
General InfosModel | Power Series Ultra-Box |
Manufacturer | GT |
Year of production | 2008 |
Current price | Check price Here ==> |
Color choice | -Silver and Black |
Sizes | - Standard size for everyone |
Wheels And Breaking System
Bike front tire | 20 (inches) Kenda Small Block Eight |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro BX-2 Sabre Rear LeversTektro BX-25 Rear Brakes |
Hubs for disc brakes | Rear: Joy Tech CassetteFront: GT Aluminum Sealed |
Rims manufacturer | 36-holeAlex Supra Dome |
Spoke nipples type | Aluminum Nipples |
Spoke wheel | 14ga. |
Frame and Body Specs
Frame materials | GT 6061 Aluminum |
Frame type | TIG-welded |
Handlebar construction | GT BMX Cro-moly |
Handlebar extender | Optional |
Handlebar stem details | GT BMX Race |
Headset size | FSA Orbit Z |
Gearing Specifications
Bicycle chain | KMC Z610HX |
Bottom bracket shell width | Not Available |
Bottom bracket type | TruVativ Gigapipe DH ISIS |
Crankset parts and sizes | TruVativ Racing Team |
Gear shift levers | Not Available |
Rear gear set | 14 15 16 Teeth1-speed |
GT Power Series Ultra-Box Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Single CrownAluminum |
Fork type | GT Aluminum |
Other Specs of GT Power Series Ultra-Box
Component group sets | BMX |
Pedals details | GT Alum Platform With Cr-mo Spindles |
Rear shock absorber | Not Available |
Saddle seat | SDG I-Fly I-Beam |
Seat post extension | SDG I Fly |
Useful links and guides ....
- To know more about this exacte bike, Auburn provided us with the latest version of its JR-20RX bike manual
- Find All parts, tires and accessories of Auburn JR-20RX 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