Robinson JR. 1997 VS Fit Bike Co. PRK 1 2009 specs comparison
Robinson Jr.
General Infos| Model | Jr. |
| Manufacturer | Robinson |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Ball burnished |
| Sizes |
- Boys |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) GT AA Pro Kevlar |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-122 Jr. Levers Dia-Compe Aluminum Side-pull Caliper Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 36-hole Araya |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Robinson Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Aluminum |
| Headset size | 1 (inches) Threadless Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC 410 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 39 Teeth 3-piece Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Robinson Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Robinson |
Other Specs of Robinson Jr.
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platforms |
| Rear shock absorber | Not Available |
| Saddle seat | GT Plastic |
| Seat post extension | Aluminum Pillar |
Fit Bike Co. PRK 1
General Infos| Model | PRK 1 |
| Manufacturer | Fit Bike Co. |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Flat Balck -Flat White |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Fit |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro Rear Levers Tektro U-brake Rear Brakes |
| Hubs for disc brakes | Rear: Alloy Sealed Cassette 14 (millimeters) Axle Front: Alloy 14 (millimeters) Axle |
| Rims manufacturer | 36-hole Alienation PBR Black |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | 4130 Chromoly and 1020 Hi Ten |
| Frame type | TIG-welded |
| Handlebar construction | Fit Mid-Bar |
| Handlebar extender | Optional |
| Handlebar stem details | Front Load Alloy |
| Headset size | 1 1/8 (inches) Threadless Dia-Tech |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Bearing Mid BB |
| Crankset parts and sizes | 25 Teeth 3-Piece Tubular Chromoly 175 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 9 Teeth 1-speed |
Fit Bike Co. PRK 1 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Fit Bike Co. |
Other Specs of Fit Bike Co. PRK 1
| Component group sets | BMX |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Short Jump |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Useful links and guides ....
- To know more about this exacte bike, Robinson provided us with the latest version of its Jr. bike manual
- Find All parts, tires and accessories of Robinson Jr. BMX here
- Get your Fit Bike Co. PRK 1 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Fit Bike Co. PRK 1 BMX here