AMP Research B4 1999 VS GT MARATHON 9R 2009 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 9r
General Infos| Model | Marathon 9r |
| Manufacturer | GT |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Dark Blue |
| Sizes |
- Medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 29 X 2.10 (inches) Kenda Small Block Eight |
| Bike rear tire | Not Available |
| Bike wheel size | 29 (inches) Wheels |
| Brakeset type | Shimano SLX Hydraulic Levers Shimano SLX Disc With 160 (millimeters) Rotor Brakes |
| Hubs for disc brakes | Shimano SLX Centerlock Disc |
| Rims manufacturer | WTB SpeedDisc All Mountain 29er |
| Spoke nipples type | DT Brass |
| Spoke wheel | 14/15ga. Butted DT Swiss Stainless |
Frame and Body Specs
| Frame materials | GT I-Drive 4 6061 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Easton EA50 MonkeyBar |
| Handlebar extender | Optional |
| Handlebar stem details | Easton EA50 31.8 |
| Headset size | 1 1/8 (inches) TH IS-3E |
Gearing Specifications
| Bicycle chain | Shimano HG73 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano SLX Hollowtech II |
| Crankset parts and sizes | 22/32/44 Teeth Shimano SLX |
| Gear shift levers | Shimano SLX RapidFire |
| Rear gear set | 11 - 34 Teeth 9-speed |
GT Marathon 9r Fork System Data
| Derailleur (Front) | Shimano SLX |
| Derailleur (Rear) | Shimano SLX |
| Fork material | Single Crown Alloy |
| Fork type | 100 (millimeters) Travel RockShox Reba SL Dual Air 29er |
Other Specs of GT Marathon 9r
| Component group sets | Shimano SLX |
| Pedals details | Shimano PD-M520 |
| Rear shock absorber | RockShox Monarch 3.1 |
| Saddle seat | WTB Pure V Race |
| Seat post extension | Easton EA30 |
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 9r manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Marathon 9r Mountain bike here