Robinson JR. 1997 VS Spit UNDERDOG 4130 1998 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 |
Spit Underdog 4130
General Infos| Model | Underdog 4130 |
| Manufacturer | Spit |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- Pro - Pro XL |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Front: 20 X 2.125 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Shimano DX BMX Levers Shimano DX BMX V-brake Rear Brakes |
| Hubs for disc brakes | DK |
| Rims manufacturer | Not Available |
| Spoke nipples type | Not Available |
| Spoke wheel | Straight Gauge Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | DK Pro |
| Handlebar extender | Not Available |
| Handlebar stem details | DK XL |
| Headset size | 1 1/8 (inches) Threadless Aheadset |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC |
| Bottom bracket shell width | American |
| Bottom bracket type | Odyssey |
| Crankset parts and sizes | 1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 17 Teeth 1-speed |
Spit Underdog 4130 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | SE Racing Landing Gear |
Other Specs of Spit Underdog 4130
| Component group sets | Not Available |
| Pedals details | DK Speed Racer |
| Rear shock absorber | Not Available |
| Saddle seat | Serfas Kevlar |
| Seat post extension | 22.2 (millimeters) Diameter DK Aluminum |
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 Spit Underdog 4130 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Spit Underdog 4130 BMX here