Specialized ROCKHOPPER A1 FS COMP 1999 VS Trek 3900 DISC 2011 specs comparison
Specialized Rockhopper A1 FS Comp
General Infos| Model | Rockhopper A1 FS Comp |
| Manufacturer | Specialized |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Pearl White -Grabber Green |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Specialized Dirt Control Comp |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid SD-1.0 L Levers Dia-Compe 735 Direct Pull Brakes |
| Hubs for disc brakes | Rear: Specialized STOUT Comp Front: Specialized Alloy |
| Rims manufacturer | 32-hole Rear: Ritchey Rock OCR Front: Ritchey Rock Comp |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Chung Nan Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized A1 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Alloy |
| Handlebar extender | Not Available |
| Handlebar stem details | Specialized A-1 |
| Headset size | 1 1/8 (inches) Threadless Specialized Headfirst Sport |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG72 |
| Bottom bracket shell width | 73 (millimeters) English |
| Bottom bracket type | 110 (millimeters) Spindle Specialized Comp |
| Crankset parts and sizes | 22/32/44 Teeth Specialized ForeArm Comp |
| Gear shift levers | Shimano Deore LX RapidFire SL |
| Rear gear set | 11 - 32 Teeth 9-speed |
Specialized Rockhopper A1 FS Comp Fork System Data
| Derailleur (Front) | Clamp-on 35.0 (millimeters) Shimano Deore LX Top-swing |
| Derailleur (Rear) | Shimano Deore XT SGS |
| Fork material | Triple-clamp Crown Aluminum and magnesium |
| Fork type | 3.15 (inches) Travel Answer Manitou Spyder R |
Other Specs of Specialized Rockhopper A1 FS Comp
| Component group sets | Mountain Mix |
| Pedals details | Specialized Comp Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Prolong |
| Seat post extension | 30.9 (millimeters) Diameter Specialized Micro-adjust |
Trek 3900 Disc
General Infos| Model | 3900 Disc |
| Manufacturer | Trek |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Deep Blue |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.0 (inches) Bontrager LT3 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF50 Levers Tektro Novela Brakes |
| Hubs for disc brakes | Rear: Shimano Alloy M475 Front: Formula DC20 |
| Rims manufacturer | 36-hole Bontrager 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alloy |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Approved Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Approved |
| Headset size | 1 1/8 (inches) Threadless Semi Integrated |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/34/42 Teeth Shimano M171 |
| Gear shift levers | Shimano EF51 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 Disc Fork System Data
| Derailleur (Front) | Shimano M190 |
| Derailleur (Rear) | Shimano M360 |
| Fork material | Single |
| Fork type | 100 (millimeters) Travel SR Suntour XCT |
Other Specs of Trek 3900 Disc
| Component group sets | Shimano Mix |
| Pedals details | Wellgo Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontager SSR |
| Seat post extension | 31.6 (millimeters) Diameter Bontrager SSR |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper A1 FS Comp bike manual
- Find All parts, tires and accessories of Specialized Rockhopper A1 FS Comp Mountain bike here
- Get your Trek 3900 Disc manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 3900 Disc Mountain bike here