Auburn JR-20RX 1995 VS Mirraco BLACK PEARL 2 2009 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 |

Mirraco Black Pearl 2
General InfosModel | Black Pearl 2 |
Manufacturer | Mirraco |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | - Pearl Gray-Red to Black Fade |
Sizes | - 20.8 TT (inches) |
Wheels And Breaking System
Bike front tire | Rear: 20 X 1.90 (inches) Odyssey AitkenFront: 20 X 2.125 (inches) Odyssey Aitken |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Snafu C-Lever Alloy Rear LeversTektro 907 U-brake Rear Brakes |
Hubs for disc brakes | Rear: M3 Alloy 14 (millimeters) AxleFront: M3 Alloy 3/8 (inches) |
Rims manufacturer | 36-holeAlex DM-22 |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Stainless |
Frame and Body Specs
Frame materials | Chromoly |
Frame type | TIG-welded |
Handlebar construction | M3 2pc 7.5 (inches) |
Handlebar extender | Optional |
Handlebar stem details | M3 Downside |
Headset size | 1 1/8 (inches) FPD |
Gearing Specifications
Bicycle chain | KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Mid BB |
Crankset parts and sizes | 25 TeethM3 3pc Crmo |
Gear shift levers | Not Available |
Rear gear set | 9 Teeth1-speed |
Mirraco Black Pearl 2 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | Not Available |
Other Specs of Mirraco Black Pearl 2
Component group sets | BMX |
Pedals details | Wellgo Alloy |
Rear shock absorber | Not Available |
Saddle seat | M3 Icon |
Seat post extension | 25.4 (millimeters) DiameterPivotal Stump |
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 Mirraco Black Pearl 2 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Mirraco Black Pearl 2 BMX here