Specialized HARDROCK PRO DISC 2004 VS Trek 3900 2007 specs comparison
Specialized Hardrock Pro Disc
General Infos| Model | Hardrock Pro Disc |
| Manufacturer | Specialized |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Charcoal Flame |
| Sizes |
- Xsmall - small - medium - large - xlarge |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 26 X 2.20 (inches) Specialized Enduro Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Alivio Levers Shimano BR-M475 Mechanical Disc Brakes |
| Hubs for disc brakes | Q and R Joy Tech Aluminum |
| Rims manufacturer | 32-hole Sun Rims Ditch Witch |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge 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 | Aluminum Threadless |
| Headset size | 1 1/8 (inches) Threadless Specialized Loose Ball |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG31 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 113 (millimeters) Spindle Truvativ BB-02 |
| Crankset parts and sizes | 22/32/42 Teeth TruVativ X-Forge |
| Gear shift levers | Shimano Alivio RapidFire Plus |
| Rear gear set | 11 - 32 Teeth 8-speed |
Specialized Hardrock Pro Disc Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Acera |
| Derailleur (Rear) | Shimano Deore SGS |
| Fork material | Single Crown Aluminum |
| Fork type | 100 (millimeters) Travel Marzocchi MZ Comp |
Other Specs of Specialized Hardrock Pro Disc
| Component group sets | Mountain Mix |
| Pedals details | Specialized Twin Sided Toe Clip |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Sport ATB |
| Seat post extension | 30.9 (millimeters) Diameter Aluminum |
Trek 3900
General Infos| Model | 3900 |
| Manufacturer | Trek |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Matte Black and Matte Smooth Silver -Trans 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 2.00 (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 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
| Component group sets | Shimano Mix |
| Pedals details | Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Sport |
| 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 Hardrock Pro Disc bike manual
- Find All parts, tires and accessories of Specialized Hardrock Pro Disc 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