Specialized ROCKHOPPER PRO DISC 2006 VS Trek 820 WSD 2011 specs comparison
Specialized Rockhopper Pro Disc
General Infos| Model | Rockhopper Pro Disc |
| Manufacturer | Specialized |
| Year of production | 2006 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) |
Wheels And Breaking System
| Bike front tire | 60TPI Aramid Bead Dual Compound 26 X 2.00 (inches) Specialized Adrenaline Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid FR-5 Levers Mechanical Disc With 6 (inches) Roundagon Rotor Brakes Avid BB-5 |
| Hubs for disc brakes | Rear: Shimano 475 Disc Machined Disc Mount Hi-low Flange Front: Specialized Disc |
| Rims manufacturer | 32-hole SUN DS2 Disc |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 15ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | 25 (millimeters) XC Rise 6 Degree Upsweep 620 (millimeters) 8 Degree Sweep Double Butted Alloy |
| Handlebar extender | Optional |
| Handlebar stem details | TIG Welded Alloy 7 Degree Rise |
| Headset size | Sealed Ball Retainer 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | SRAM PC-951 With Power Link |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TruVativ GXP |
| Crankset parts and sizes | 22/32 Heat Treated Cro-Mo and 44 7075 Aluminum Teeth External BB With Alloy Outer Ring Truvativ Fire-X GXB |
| Gear shift levers | 9-speed Shimano SL Deore |
| Rear gear set | 11 - 34 Teeth 9-speed |
Specialized Rockhopper Pro Disc Fork System Data
| Derailleur (Front) | 34.9 (millimeters) Clamp Bottom Pull Top Swing Shimano Deore |
| Derailleur (Rear) | Long Cage Standard Spring Shimano Deore XT |
| Fork material | Single Crown Magnesium and aluminum and steel |
| Fork type | 100 (millimeters) RockShox Recon 351SL |
Other Specs of Specialized Rockhopper Pro Disc
| Component group sets | Mountain Mix |
| Pedals details | Alloy 1 Piece Body And Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Semi Light Foam Specialized Body Geometry Sport MTB |
| Seat post extension | Alloy Micro-adjust |
Trek 820 WSD
General Infos| Model | 820 WSD |
| Manufacturer | Trek |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Crystal Pearl White |
| Sizes |
- Womens 13 (inches) - womens 16 (inches) - womens 19.5 (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 EF40 Levers Tektro V Brakes |
| Hubs for disc brakes | Rear: Formula FM31 Front: Formula FM21 |
| Rims manufacturer | 36-hole Bontrager 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Steel |
| 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 | 28/38/48 Teeth Hawk DX |
| Gear shift levers | Shimano EF40 |
| Rear gear set | 13 - 34 Teeth 7-speed |
Trek 820 WSD Fork System Data
| Derailleur (Front) | Shimano TX51 |
| Derailleur (Rear) | Shimano TX31 |
| Fork material | Single |
| Fork type | 63 (millimeters) Travel SR Suntour M-2025 |
Other Specs of Trek 820 WSD
| Component group sets | Shimano Mix |
| Pedals details | Wellgo Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontager SSR WSD |
| 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 Pro Disc bike manual
- Find All parts, tires and accessories of Specialized Rockhopper Pro Disc Mountain bike here
- Get your Trek 820 WSD manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 820 WSD Mountain bike here