Specialized GROMROCK 2008 VS Trek 4900 DISC 2003 specs comparison
Specialized Gromrock
General Infos| Model | Gromrock |
| Manufacturer | Specialized |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Charcoal and black |
| Sizes |
- 12.5 (inches) |
| Sizes |
- 12.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.1 (inches) Specialized Resolution Wire |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro Jr. Levers Tektro IOX With 6 (inches) Rotor Brakes |
| Hubs for disc brakes | Specialized Hi-Lo Disc |
| Rims manufacturer | 32-hole Specialized and Alex HRD 24 |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized 3D Forged Alloy 25.4 (millimeters) |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMX X8 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 118 (millimeters) Spindle Shimano BB-ES25 |
| Crankset parts and sizes | 22/32/44 Teeth SR Suntour XCM-T312 |
| Gear shift levers | SRAM 3.0 Comp Grip Shift |
| Rear gear set | 11 - 32 Teeth 8-speed |
Specialized Gromrock Fork System Data
| Derailleur (Front) | Top Swing Shimano Altus FD-M310-6 |
| Derailleur (Rear) | SRAM 3.0 |
| Fork material | Single Crown Crown Aluminum and steel |
| Fork type | 80 (millimeters) Travel SR Suntour SF7-XCM |
Other Specs of Specialized Gromrock
| Component group sets | Mountain Mix |
| Pedals details | Steel Cage and composite Body |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Kids ATB With Kevlar Sides |
| Seat post extension | 30.9 (millimeters) Diameter Specialized Alloy Two Bolt |
Trek 4900 Disc
General Infos| Model | 4900 Disc |
| Manufacturer | Trek |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice |
- Metallic Silver and Navy -Metallic Red |
| Sizes |
- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Bontrager Jones AC |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Hayes HML Mechanical Disc Levers Hayes Mechanical Disc Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano Front: Aluminum |
| Rims manufacturer | 32-hole Bontrager Corvair |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Crowbar Sport |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Sport |
| Headset size | 1 1/8 (inches) Threadless Aheadset |
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 | 22/32/44 Teeth Shimano M340-8 |
| Gear shift levers | Shimano Alivio |
| Rear gear set | 11 - 32 Teeth 9-speed |
Trek 4900 Disc Fork System Data
| Derailleur (Front) | Shimano Alivio |
| Derailleur (Rear) | Shimano Deore SGS |
| Fork material | Single Crown Aluminum and magnesium |
| Fork type | 80 (millimeters) Travel Rock Shox Pilot C |
Other Specs of Trek 4900 Disc
| Component group sets | Mountain Mix |
| Pedals details | Aluminum Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Trek ATB |
| Seat post extension | Bontrager Sport |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Gromrock bike manual
- Find All parts, tires and accessories of Specialized Gromrock Mountain bike here
- Get your Trek 4900 Disc manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 4900 Disc Mountain bike here