Trek SCRATCH AIR 9 2011 VS Specialized DEMO 7 II 2009 specs comparison
Trek Scratch Air 9
General Infos| Model | Scratch Air 9 |
| Manufacturer | Trek |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Matte Black and Raw Tint |
| 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 XR4 Expert |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Deore XT Levers Avid Elixir CR Brakes |
| Hubs for disc brakes | DT Swiss E 2000 |
| Rims manufacturer | 32-hole DT Swiss E 2000 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alloy |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Rhythm Pro |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Rhythm |
| Headset size | Cane Creek Frustum SE Light |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/36 Teeth Race Face Atlas |
| Gear shift levers | Shimano Deore XT |
| Rear gear set | 11 - 36 Teeth 10-speed |
Trek Scratch Air 9 Fork System Data
| Derailleur (Front) | Shimano Deore XT |
| Derailleur (Rear) | Shimano Deore XT |
| Fork material | Single Crown Alloy |
| Fork type | 120-160 (millimeters) Travel Fox 32 Talas FIT RLC |
Other Specs of Trek Scratch Air 9
| Component group sets | Shimano Deore XT |
| Pedals details | Optional |
| Rear shock absorber | 170 (millimeters) Travel Fox Float RP-23 |
| Saddle seat | Bontrager Evoke 4 |
| Seat post extension | Crank Brothers Jolpin 4R |
Specialized Demo 7 II
General Infos| Model | Demo 7 II |
| Manufacturer | Specialized |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Ano Black |
| 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 Carbon Levers Avid Elixir R Carbon With 203 (millimeters) Rotor Front and Avid Elixir R Carbon 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 | 14/15/14ga. Butted DT Swiss Competition Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized M5 ORE Aluminum and Magnesium |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Demo Riser 31.8 (millimeters) |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized Aggro |
| Headset size | 1.5 (inches) Integrated 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 Holzfeller |
| Gear shift levers | SRAM X.9 Trigger |
| Rear gear set | 11 - 34 Teeth 9-speed |
Specialized Demo 7 II Fork System Data
| Derailleur (Front) | Chain Retention Device Gamut P-30 Chain Guide |
| Derailleur (Rear) | SRAM X.0 |
| Fork material | Single Crown Magnesium and aluminum |
| Fork type | 180 (millimeters) Travel RockShox Totem Solo Air |
Other Specs of Specialized Demo 7 II
| Component group sets | SRAM Mix |
| Pedals details | Specialized Lo Pro Mag |
| Rear shock absorber | 7 (inches) Travel Fox DHX 5.0 Coil |
| Saddle seat | Specialized Enduro |
| Seat post extension | 30.9 (millimeters) Diameter Thomson |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its Scratch Air 9 bike manual
- Find All parts, tires and accessories of Trek Scratch Air 9 Mountain bike here
- Get your Specialized Demo 7 II manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Demo 7 II Mountain bike here