Trek JACK 1 2009 VS Giant BOULDER KNOBBY 2007 specs comparison
Trek Jack 1
General Infos| Model | Jack 1 |
| Manufacturer | Trek |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss Navy |
| Sizes |
- Small - medium - large |
| Sizes |
- Small - medium - large |
Wheels And Breaking System
| Bike front tire | 26 X 2.40 (inches) Bontrager Earl |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF-50 EZ Fire Integrated Levers Tektro V-brake Brakes |
| Hubs for disc brakes | Shimano M475 |
| Rims manufacturer | Bontrager Camino |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha White Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Earl |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Earl |
| Headset size | 1 1/8 (inches) Aheadset Semi-cartridge |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 22/32/42 Teeth Shimano M341 |
| Gear shift levers | Shimano EF-50 EZ Fire Integrated |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek Jack 1 Fork System Data
| Derailleur (Front) | Shimano C050 |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Single Crown |
| Fork type | 100 (millimeters) Travel RST Gila T7 |
Other Specs of Trek Jack 1
| Component group sets | Not Available |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Earl Jump Basic |
| Seat post extension | Bontrager Sport |
Giant Boulder Knobby
General Infos| Model | Boulder Knobby |
| Manufacturer | Giant |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Blue and Silver |
| Sizes |
- 12.5 (inches) - 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) MTB |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF-50 Levers Alloy Direct Pull Brakes |
| Hubs for disc brakes | Rear: Alloy Front: Alloy QR |
| Rims manufacturer | Alloy With Brushed Sidewalls |
| Spoke nipples type | Not Available |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Steel 50 (millimeters) Rise |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | KMC Z51 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge |
| Crankset parts and sizes | 28/38/48 Teeth SR Suntour XCC-T208 |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 14 - 34 Teeth 7-speed |
Giant Boulder Knobby Fork System Data
| Derailleur (Front) | Shimano C-102 |
| Derailleur (Rear) | Shimano Altus |
| Fork material | Single Crown Steel |
| Fork type | 80 (millimeters) Travel Spinner Grind 1 |
Other Specs of Giant Boulder Knobby
| Component group sets | Mountain Mix |
| Pedals details | Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Giant Groove Plus |
| Seat post extension | Alloy |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its Jack 1 bike manual
- Find All parts, tires and accessories of Trek Jack 1 Mountain bike here
- Get your Giant Boulder Knobby manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Giant Boulder Knobby Mountain bike here