Specialized ROCKHOPPER EXPERT 2010 VS Trek 3900 WSD 2007 specs comparison
Specialized Rockhopper Expert
General Infos| Model | Rockhopper Expert |
| Manufacturer | Specialized |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
-Silver and Dark Silver |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.00 (inches) Specialized Fast Trak LK Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | 160 (millimeters) Rotor Brakes Tektro Auriga Comp Hydraulic Levers Tektro Auriga Comp Hydraulic |
| Hubs for disc brakes | Forged Alloy Disc |
| Rims manufacturer | 28-hole and 32-hole Alex RHD |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | Specialized M4 ORE Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy Riser |
| Handlebar extender | Optional |
| Handlebar stem details | 3D Forged |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC X9 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 118 (millimeters) Spindle Shimano BB-ES25 Octalink |
| Crankset parts and sizes | 22/32/44 Teeth SR Suntour |
| Gear shift levers | SRAM X.5 Trigger |
| Rear gear set | 11 - 34 Teeth 9-speed |
Specialized Rockhopper Expert Fork System Data
| Derailleur (Front) | Shimano Deore |
| Derailleur (Rear) | SRAM X.5 |
| Fork material | Single Crown Magnesium and aluminum |
| Fork type | 80 - 100 (millimeters) Adjustable Travel RockShox Dart 3 SL |
Other Specs of Specialized Rockhopper Expert
| Component group sets | SRAM X 5 Mix |
| Pedals details | Alloy |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized XC Body Geometry |
| Seat post extension | 30.9 (millimeters) Diameter Alloy Micro Adjust |
Trek 3900 WSD
General Infos| Model | 3900 WSD |
| Manufacturer | Trek |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Pearl Green -Trans Blue |
| Sizes |
- Womens 13 (inches) - womens 16 (inches) - womens 19.5 (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 EF-50 Levers Tektro V Brakes |
| Hubs for disc brakes | Rear: Shimano RM-30 Front: Alloy |
| Rims manufacturer | Matrix 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Approved |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Approved |
| Headset size | Aheadset Slimstak |
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 SR XCC-T102 |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 WSD Fork System Data
| Derailleur (Front) | Shimano C-050 |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Single Crown Aluminum and steel |
| Fork type | 70 (millimeters) Travel InSync Grind 1 |
Other Specs of Trek 3900 WSD
| Component group sets | Shimano Mix |
| Pedals details | Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Sport FIT |
| Seat post extension | Bontrager Approved |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper Expert bike manual
- Find All parts, tires and accessories of Specialized Rockhopper Expert Mountain bike here
- Get your Trek 3900 WSD manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 3900 WSD Mountain bike here