Hoffman EP 1998 VS GT THUMPER 2000 specs comparison
Hoffman Ep
General Infos| Model | Ep |
| Manufacturer | Hoffman |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice | - dark blue- translucent white-Chrome-plated |
| Sizes | - Pro |
| Sizes | - Pro |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) HB Skidmark |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Tech MX-97 LeversDia-Compe 990 Brakes |
| Hubs for disc brakes | Gack |
| Rims manufacturer | 48-holeGack High Roller |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | HB Low Drag 2 4130 |
| Handlebar extender | Not Available |
| Handlebar stem details | HB Superstem |
| Headset size | 1 1/8 (inches) Threadless Aheadset With SST Oryg Detangler |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | American |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 38 Teeth1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Hoffman Ep Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown4130 Chromoly |
| Fork type | HB Ep |
Other Specs of Hoffman Ep
| Component group sets | Not Available |
| Pedals details | Wellgo LU-313 |
| Rear shock absorber | Not Available |
| Saddle seat | HB |
| Seat post extension | 22.2 (millimeters) DiameterHB 4130 |
GT Thumper
General Infos| Model | Thumper |
| Manufacturer | GT |
| Year of production | 2000 |
| Current price | Check price Here ==> |
| Color choice | - Propane-Gangreen |
| Sizes | - Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Powerlite Retro TreadFront: 20 X 2.125 (inches) Powerlite Retro Tread |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-101 Rear LeversDiaTech 996 U-Brake Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 48-holeWeinmann ZAC-X |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | GT Freestyle |
| Handlebar extender | Optional |
| Handlebar stem details | GT Johnson |
| Headset size | 1 1/8 (inches) Threadless Aheadset SB-1 With SST Oryg Detangler |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)KMC |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | 44 TeethGT 3-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
GT Thumper Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | GT |
Other Specs of GT Thumper
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | GT Aluminum Micro-adjust |
Related Bike comparison
GT Thumper Haro Sport
Hoffman Ep GT Performer (01)
Hoffman Ep Mosh Squat
Hoffman Ep Trek TR-30 Jumping
Useful links and guides ....
- To know more about this exacte bike, Hoffman provided us with the latest version of its Ep bike manual
- Find All parts, tires and accessories of Hoffman Ep Freestyle here
- Get your GT Thumper manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Thumper Freestyle here