Specialized DEMO 7 2008 VS Trek SCRATCH AIR 8 2011 specs comparison
Specialized Demo 7
General Infos| Model | Demo 7 |
| Manufacturer | Specialized |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-White |
| Sizes |
- Small - medium - large |
| Sizes |
- Small - medium - large |
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 | 203 (millimeters) Rotor Brakes Avid Code 5 Hydraulic Disc Hydraulic Disc Levers Avid Juicy 5 |
| Hubs for disc brakes | 20 (millimeters) Thru Axle Rear: Specialized Bolt-on 135 (millimeters) Hollow 10 (millimeters) Cr-Mo Axle With RD Guard Front: Specialized Disc |
| Rims manufacturer | 36-hole DT Swiss E540 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge DT Swiss Stainless Steel |
Frame and Body Specs
| Frame materials | M5 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | 31.8 (millimeters) 6066 Alloy 680 (millimeters) Wide Specialized Demo Rise Bar |
| Handlebar extender | Optional |
| Handlebar stem details | TruVativ Holzfeller 1.5 (inches) |
| Headset size | 1 1/2 (inches) Threadless Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) SRAM PC-971 With Power Link |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Truvativ Holzfeller Team |
| Crankset parts and sizes | 170 (millimeters) 36 Teeth With Gamut P-30 Guide Truvativ Holzfeller |
| Gear shift levers | SRAM X-7 Trigger |
| Rear gear set | 11 - 34 Teeth 9-speed |
Specialized Demo 7 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | SRAM X.9 |
| Fork material | Single |
| Fork type | 180 (millimeters) Travel Marzocchi 66RCV |
Other Specs of Specialized Demo 7
| Component group sets | Downhill Mix |
| Pedals details | Specialized Lo-Pro Alloy |
| Rear shock absorber | 7 (inches) Travel Fox DHX 4.0 Coil Over |
| Saddle seat | 8 (millimeters) Cr-Mo Rails Specialized Enduro |
| Seat post extension | 30.9 (millimeters) Diameter Syncros Derived 2-bolt |
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 bike manual
- Find All parts, tires and accessories of Specialized Demo 7 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