AMP Research B4 1999 VS GT MARATHON PRO 2008 specs comparison
AMP Research B4
General Infos| Model | B4 |
| Manufacturer | AMP Research |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Polished -Candy Apple Red |
| Sizes |
- Large - medium - small - xsmall |
| Sizes |
- Large - medium - small - xsmall |
Wheels And Breaking System
| Bike front tire | 26 X 1.90 (inches) Hutchinson On The Rocks |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Deore XT Levers AMP D1 Hydraulic Disc Brake System Brakes |
| Hubs for disc brakes | Rear: Shimano Deore XT Front: AMP Research D1 |
| Rims manufacturer | 32-hole Mavic X221 |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Double-butted DT Stainless Steel |
Frame and Body Specs
| Frame materials | Alcoa Alcalyte 6013 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Hsin Lung Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Hsin Lung Aluminum |
| Headset size | 1 1/8 (inches) Threadless Ritchey Logic |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG90 |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | 110.5 (millimeters) Spindle Shimano Deore XT |
| Crankset parts and sizes | 22/32/44 Teeth Shimano Deore XT |
| Gear shift levers | Shimano Deore XT RapidFire SL |
| Rear gear set | 11 - 34 Teeth 9-speed |
AMP Research B4 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 35.0 (millimeters) Shimano Deore XT |
| Derailleur (Rear) | Shimano Deore XT GS |
| Fork material | Linkage Crown Alcoa Alcalyte 6013 T6 Aluminum |
| Fork type | 2.25 (inches) Travel AMP Research F3 XC |
Other Specs of AMP Research B4
| Component group sets | Shimano Deore XT |
| Pedals details | Platform |
| Rear shock absorber | 3.0 (inches) Travel AMP Research |
| Saddle seat | Serfas Lola |
| Seat post extension | 31.6 (millimeters) Diameter JD Components |
GT Marathon Pro
General Infos| Model | Marathon Pro |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Silver and Black |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) Kenda Nevagal |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano XT Hydraulic Levers Shimano XT Disc Brakes |
| Hubs for disc brakes | DT Swiss X1800 |
| Rims manufacturer | DT Swiss X1800 |
| Spoke nipples type | DT Alloy |
| Spoke wheel | DT Swiss |
Frame and Body Specs
| Frame materials | GT I-Drive 4 6061 Aluminum |
| Frame type | Monocoque |
| Handlebar construction | Ritchey Pro Lo Rizer |
| Handlebar extender | Optional |
| Handlebar stem details | Ritchey Pro |
| Headset size | 1 1/8 (inches) FSA Integrated |
Gearing Specifications
| Bicycle chain | Shimano HG-73 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano Hollowtech II |
| Crankset parts and sizes | 22/32/44 Teeth Shimano XT Hollowtech 2 |
| Gear shift levers | Shimano XTR |
| Rear gear set | 11 - 32 Teeth 9-speed |
GT Marathon Pro Fork System Data
| Derailleur (Front) | Shimano XT |
| Derailleur (Rear) | Shimano XTR |
| Fork material | Single Crown Aluminum and magnesium |
| Fork type | 120 (millimeters) Travel Fox 32 RL |
Other Specs of GT Marathon Pro
| Component group sets | Shimano XT |
| Pedals details | Crank Brothers Candy C |
| Rear shock absorber | 4 (inches) Travel Fox RP23 |
| Saddle seat | Fi'zi:k Gobi XM |
| Seat post extension | Ritchey |
Useful links and guides ....
- To know more about this exacte bike, AMP Research provided us with the latest version of its B4 bike manual
- Find All parts, tires and accessories of AMP Research B4 Mountain bike here
- Get your GT Marathon Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Marathon Pro Mountain bike here