Trek SCRATCH AIR 8 2010 VS Specialized DEMO 8 I 2009 specs comparison
Trek Scratch Air 8
General Infos| Model | Scratch Air 8 |
| Manufacturer | Trek |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
-Matte Titanium |
| Sizes |
- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) |
| Sizes |
- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.35 (inches) Bontrager FR-4 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid Elixer R Carbon Hydraulic Levers Avid Elixer R Carbon Disc Brakes |
| Hubs for disc brakes | Bontrager Cousin Earl Elite Disc |
| Rims manufacturer | Tubeless Ready Bontrager Cousin Earl Elite |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha Red Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Big Earl |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Rhythm |
| Headset size | 1 1/8 (inches) - 1 1/2 (inches) FSA No. 57E |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 44/32/22 Teeth Shimano Deore XT |
| Gear shift levers | Shimano Deore XT |
| Rear gear set | 11 - 34 Teeth 9-speed |
Trek Scratch Air 8 Fork System Data
| Derailleur (Front) | Direct Mount Shimano Deore XT |
| Derailleur (Rear) | Shimano Deore XT Shadow |
| Fork material | Single Crown Crown Alloy |
| Fork type | 160 (millimeters) Travel Fox 36 Talas R With 20 (millimeters) QR Thru Axle |
Other Specs of Trek Scratch Air 8
| Component group sets | Mountain Mix |
| Pedals details | Not Available |
| Rear shock absorber | 170 (millimeters) Travel Fox DHX Air 4.0 |
| Saddle seat | Bontrager Rhythm |
| Seat post extension | 31.6 (millimeters) Diameter Crank Brothers Joplin With Remote |
Specialized Demo 8 I
General Infos| Model | Demo 8 I |
| Manufacturer | Specialized |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Red and White |
| Sizes |
- Small - medium - large |
Wheels And Breaking System
| Bike front tire | 26 X 2.30 (inches) Specialized Chunder SX |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid Elixir R Levers Avid Elixir R With 203 (millimeters) Rotor Front and Avid Elixir R With 185 (millimeters) Rotor Rear Brakes |
| Hubs for disc brakes | Rear: Specialized Thru-axle Front: Specialized Hi Lo Disc |
| Rims manufacturer | 32-hole DT Swiss F550 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. DT Swiss Champion Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized M5 ORE Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Demo Riser 31.8 (millimeters) |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized Aggro |
| Headset size | 1 1/8 (inches) Cartridge |
Gearing Specifications
| Bicycle chain | SRAM PC-971 |
| Bottom bracket shell width | 73 (millimeters) |
| Bottom bracket type | Truvativ Howitzer XR |
| Crankset parts and sizes | TruVativ Hussefelt |
| Gear shift levers | SRAM X.7 Trigger |
| Rear gear set | 12 - 26 Teeth 9-speed |
Specialized Demo 8 I Fork System Data
| Derailleur (Front) | Chain Retention Device Gamut P-30 Chain Guide |
| Derailleur (Rear) | SRAM X.9 |
| Fork material | Dual Crown Magnesium and aluminum |
| Fork type | 203 (millimeters) Travel RockShox Boxxer Race |
Other Specs of Specialized Demo 8 I
| Component group sets | SRAM Mix |
| Pedals details | Specialized Lo Pro Alloy |
| Rear shock absorber | 8.2 (inches) Travel Fox DHX 4.0 Coil |
| Saddle seat | Specialized Enduro |
| Seat post extension | 30.9 (millimeters) Diameter 6061 Butted Alloy Two-bolt |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its Scratch Air 8 bike manual
- Find All parts, tires and accessories of Trek Scratch Air 8 Mountain bike here
- Get your Specialized Demo 8 I manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Demo 8 I Mountain bike here