Alpinestars RSA-840 1996 VS AMP Research B4 1999 specs comparison
Alpinestars RSA-840
General Infos| Model | RSA-840 |
| Manufacturer | Alpinestars |
| Year of production | 1996 |
| Current price | Check price Here ==> |
| Color choice |
-Yellow |
| Sizes |
- 40 cm (centimeters) - 45 cm (centimeters) - 50 cm (centimeters) |
| Sizes |
- 40 cm (centimeters) - 45 cm (centimeters) - 50 cm (centimeters) |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) WTB Primal Raptor Kevlar |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro RBP-370A Levers Tektro 870AG Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | 32-hole Araya TM-810 |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly Rear Triangle Double-butted 7005 Aluminum |
| Frame type | Welded Aluminum |
| Handlebar construction | Alpinestars XC |
| Handlebar extender | Optional |
| Handlebar stem details | Alpinestars XC |
| Headset size | 1 1/8 (inches) YST Light |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC SS-91S |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | 113 (millimeters) Spindle Shimano BB-LP26 |
| Crankset parts and sizes | 22/32/42 Teeth Sugino Impel 700 |
| Gear shift levers | Grip Shift SRT-800 X-Ray |
| Rear gear set | 11 - 28 Teeth 8-speed |
Alpinestars RSA-840 Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 35.0 (millimeters) Shimano Deore XT |
| Derailleur (Rear) | Shimano Deore XT SGS |
| Fork material | Triple-clamp Crown Aluminum and magnesium |
| Fork type | Rock Shox Judy XC |
Other Specs of Alpinestars RSA-840
| Component group sets | Shimano Deore XT and LX |
| Pedals details | Fasten NWL-85M With Clips & Straps |
| Rear shock absorber | 3.0 (inches) Travel Fox Alps-4R |
| Saddle seat | Velo VL-253 |
| Seat post extension | 27.2 (millimeters) Diameter Alpinestars XC |
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 |
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 |
Useful links and guides ....
- To know more about this exacte bike, Alpinestars provided us with the latest version of its RSA-840 bike manual
- Find All parts, tires and accessories of Alpinestars RSA-840 Mountain bike here
- Get your AMP Research B4 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for AMP Research B4 Mountain bike here