GT BUMP 2008 VS Spit UNDERDOG 4130 1998 specs comparison
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➜ GT Bump price
➜ Spit Underdog 4130 price
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | 🛒 View Price → |
| Color choice | - Navy and White-Off White and Orange |
| Sizes | - Standard size for everyone |
| Sizes | - Standard size for everyone |
Wheels And Breaking System
| Bike front tire | Rear: 20 (inches) Kenda KonxsionFront: 20 (inches) Kenda K-Rad |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 274A Rear LeversN and A Front and Tektro 907A Rear Brakes |
| Hubs for disc brakes | Rear: GT Sealed CassetteFront: GT Aluminum Sealed |
| Rims manufacturer | 36-hole |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | GT Cro-moly BMX Dirt and street Design |
| Frame type | TIG-welded |
| Handlebar construction | GT Dirt and street Cr-mo |
| Handlebar extender | Optional |
| Handlebar stem details | GT FS Design |
| Headset size | 1 1/8 (inches) Tange Seiki Fatty 22 |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Ball Type With 8 Spline Cr-Mo Axle |
| Crankset parts and sizes | GT Tubular Cr-Mo 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 12 Teeth1-speed |
GT Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | GT BMX Design |
Other Specs of GT Bump
| Component group sets | BMX |
| Pedals details | GT Dirt and Street Platform |
| Rear shock absorber | Not Available |
| Saddle seat | BMX Mini Street |
| Seat post extension | Aluminum Micro-adjust |
Spit Underdog 4130
General Infos| Model | Underdog 4130 |
| Manufacturer | Spit |
| Year of production | 1998 |
| Current price | 🛒 View Price → |
| 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 LeversShimano DX BMX V-brake Rear Brakes |
| Hubs for disc brakes | DK |
| Rims manufacturer | Not Available |
| Spoke nipples type | Not Available |
| Spoke wheel | Straight GaugeSteel |
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 Teeth1-speed |
Spit Underdog 4130 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown4130 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) DiameterDK Aluminum |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Bump bike manual
- Find All parts, tires and accessories of GT Bump 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