Specialized DEMO 7 II 2007 VS Trek SCRATCH AIR 8 2011 specs comparison
Specialized Demo 7 II
General Infos| Model | Demo 7 II |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Brown |
| Sizes |
- Large - medium - small |
| Sizes |
- Large - medium - small |
Wheels And Breaking System
| Bike front tire | 26 X 2.30 (inches) Specialized Chunder |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid Juicy 7 Levers Avid Juicy 7 With 200 (millimeters) Rotor Brakes |
| Hubs for disc brakes | Rear: Specialized Bolt-on Front: Specialized Disc 20 (millimeters) Thru Axle |
| Rims manufacturer | 36-hole Specialized EX 5.1d |
| Spoke nipples type | Not Available |
| Spoke wheel | 14/15ga. Butted DT Swiss Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized M5 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Demo Riser |
| Handlebar extender | Optional |
| Handlebar stem details | TruVativ Holzfeller |
| Headset size | 1 1/2 (inches) Threadless 7050 Alloy |
Gearing Specifications
| Bicycle chain | SRAM PC-951 |
| Bottom bracket shell width | 73 (millimeters) |
| Bottom bracket type | TruVativ Howitzer Team |
| Crankset parts and sizes | 36 Teeth 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) | Not Available |
| Derailleur (Rear) | SRAM X.9 |
| Fork material | Single Crown Magnesium and aluminum |
| Fork type | 180 (millimeters) RockShox Totem Air |
Other Specs of Specialized Demo 7 II
| Component group sets | SRAM X.9/mix |
| Pedals details | Specialized Lo-Pro Mag |
| Rear shock absorber | 7 (inches) Fox DHX 5.0 |
| Saddle seat | Specialized Enduro |
| Seat post extension | 30.9 (millimeters) Diameter Thomson SPE127/8 |
Trek Scratch Air 8
General Infos| Model | Scratch Air 8 |
| Manufacturer | Trek |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Matte Light Raw Tint |
| 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 SLX Levers Avid Elixir 5 Brakes |
| Hubs for disc brakes | Bontrager Cousin Earl Disc |
| Rims manufacturer | 32-hole Bontrager Cousin Earl Disc |
| 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 | FSA No.57E |
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 Ride |
| Gear shift levers | Shimano SLX |
| Rear gear set | 11 - 36 Teeth 10-speed |
Trek Scratch Air 8 Fork System Data
| Derailleur (Front) | Shimano SLX |
| Derailleur (Rear) | Shimano SLX |
| Fork material | Single Crown Alloy |
| Fork type | 160 (millimeters) Travel Fox 36 Float R |
Other Specs of Trek Scratch Air 8
| Component group sets | Shimano SLX |
| Pedals details | Optional |
| Rear shock absorber | 170 (millimeters) Travel Fox Float RP-2 |
| Saddle seat | Bontrager Evoke 2 |
| Seat post extension | 31.6 (millimeters) Diameter Bontrager Rhythm Elite |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Demo 7 II bike manual
- Find All parts, tires and accessories of Specialized Demo 7 II Mountain bike here
- Get your Trek Scratch Air 8 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek Scratch Air 8 Mountain bike here