Auburn JR-20RX 1995 VS Hoffman Bikes MANTRA PL 2009 specs comparison
Auburn JR-20RX
General Infos| Model | 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 Levers Dia-Compe 500NR Brakes |
| Hubs for disc brakes | GT Alloy |
| Rims manufacturer | 28-hole Sun Metal MP-13 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
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 Teeth Sugino GT |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Auburn JR-20RX Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| 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 Composite Integral To Saddle |
Hoffman Bikes Mantra PL
General Infos| Model | Mantra PL |
| Manufacturer | Hoffman Bikes |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Un |
| Sizes |
- 20.85 TT (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.95 (inches) HB Skidmark Front: 20 X 2.20 (inches) Primo Dirt Monters |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Alloy Rear Levers U-Brake Rear Brakes |
| Hubs for disc brakes | HB Generator |
| Rims manufacturer | 36-hole Rear: HB Generator CP Front: HB Generator |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | HB Buxom Bars |
| Handlebar extender | Optional |
| Handlebar stem details | Not Available |
| Headset size | 1 1/8 (inches) FSA Impact |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Mid Sealed BB |
| Crankset parts and sizes | 25 Teeth 3 Piece Tubular Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 9 Teeth 1-speed |
Hoffman Bikes Mantra PL Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Hoffman Fat Free |
Other Specs of Hoffman Bikes Mantra PL
| Component group sets | BMX |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | HB Kevlar |
| Seat post extension | 25.4 (millimeters) Diameter Alloy Micro Adjust |
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 Hoffman Bikes Mantra PL manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Hoffman Bikes Mantra PL BMX here