Robinson JR 1996 VS Bontrager B1 1997 specs comparison
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➜ Robinson JR price
➜ Bontrager B1 price
Robinson JR
General Infos| Model | JR |
| Manufacturer | Robinson |
| Year of production | 1996 |
| Current price | 🛒 View Price → |
| Color choice | -Chrome-plated |
| 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 LeversDia-Compe 500NR Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | 28-holeSun Metal |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeSteel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded Steel |
| Handlebar construction | Robinson JR Alloy |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Mini Alloy |
| Headset size | 1 (inches) Tioga Bear Trap |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)KMC |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | Sugino |
| Crankset parts and sizes | 42 TeethSugino Alloy |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Robinson JR Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | Robinson |
Other Specs of Robinson JR
| Component group sets | Not Available |
| Pedals details | GT Mini |
| Rear shock absorber | Not Available |
| Saddle seat | Velo |
| Seat post extension | 20.6 (millimeters) Diameter |
Bontrager B1
General Infos| Model | B1 |
| Manufacturer | Bontrager |
| Year of production | 1997 |
| Current price | 🛒 View Price → |
| Color choice | -Silver |
| Sizes | - Expert - Pro - XL |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Cheng Shin Comp III TypeFront: 20 X 2.125 (inches) Cheng Shin Comp III Type |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro LeversTektro 876AG V-Brake Brakes |
| Hubs for disc brakes | Aluminum Nutted |
| Rims manufacturer | 36-holeBontrager Mack |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly |
| Handlebar extender | Not Available |
| Handlebar stem details | Bontrager Aluminum |
| Headset size | 1 1/8 (inches) Threadless Dia-Compe Aheadset |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)KMC |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 44 Teeth1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Bontrager B1 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown4130 Chromoly |
| Fork type | Bontrager |
Other Specs of Bontrager B1
| Component group sets | Not Available |
| Pedals details | Aluminum |
| Rear shock absorber | Not Available |
| Saddle seat | Velo C20 |
| Seat post extension | 27.0 (millimeters) DiameterBontrager Comp |
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 Bontrager B1 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Bontrager B1 BMX here