Specialized ROCKHOPPER A1 FS 2001 VS Trek 3900 2005 specs comparison
Specialized Rockhopper A1 FS
General Infos| Model | Rockhopper A1 FS |
| Manufacturer | Specialized |
| Year of production | 2001 |
| Current price | Check price Here ==> |
| Color choice |
- White and Red -Blue and White |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 1.90 (inches) Specialized Team Master Sport Front: 26 X 1.90 (inches) Specialized Team Control Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Deore Levers ProMax Linear-pull Brakes |
| Hubs for disc brakes | Rear: Specialized Megaphone Comp Front: Specialized Aluminum |
| Rims manufacturer | 32-hole Weinmann Zac 19 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Specialized Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized A1 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized Aluminum |
| Headset size | 1 1/8 (inches) Threadless Tange TG Aheadset |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 113 (millimeters) Spindle Shimano BB-LP27 |
| Crankset parts and sizes | 22/32/44 Teeth Specialized Forearm 2 Sport |
| Gear shift levers | Shimano Deore RapidFire SL |
| Rear gear set | 11 - 32 Teeth 9-speed |
Specialized Rockhopper A1 FS Fork System Data
| Derailleur (Front) | Shimano Deore |
| Derailleur (Rear) | Shimano Deore LX |
| Fork material | Triple-clamp Crown Aluminum and magnesium |
| Fork type | Rock Shox Judy Special |
Other Specs of Specialized Rockhopper A1 FS
| Component group sets | Mountain Mix |
| Pedals details | Specialized Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Body Geometry Sport |
| Seat post extension | 30.9 (millimeters) Diameter Specialized Aluminum |
Trek 3900
General Infos| Model | 3900 |
| Manufacturer | Trek |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
- Black -Yellow and Blue |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 13 (inches) - womens 16 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.00 (inches) Bontrager Connection Trail |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Levers Tektro Aluminum Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano FH-RM30 Front: Aluminum |
| Rims manufacturer | Matrix 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | Alpha Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/34/42 Teeth SR |
| Gear shift levers | Shimano ST-EF29 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 Fork System Data
| Derailleur (Front) | Shimano FD-C050 |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Single Crown Aluminum |
| Fork type | 70 (millimeters) InSync Grind 1 |
Other Specs of Trek 3900
| Component group sets | Mountain Mix |
| Pedals details | Nylon |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Sport |
| Seat post extension | Bontrager |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper A1 FS bike manual
- Find All parts, tires and accessories of Specialized Rockhopper A1 FS Mountain bike here
- Get your Trek 3900 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 3900 Mountain bike here