Giant BOULDER KNOBBY 2007 VS Opus SONAR 2008 specs comparison
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) |
| 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 |
Opus Sonar
General Infos| Model | Sonar |
| Manufacturer | Opus |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Satin Black |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 26 X 2.00 (inches) CST |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Promax Levers ProMax Alloy V-Brake Brakes |
| Hubs for disc brakes | Rear: Formula Nutted Front: Formula |
| Rims manufacturer | Alex DM-18 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | 6000 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Ora AL-027 |
| Handlebar extender | Optional |
| Handlebar stem details | Ora 2D |
| Headset size | 1 1/8 (inches) VP |
Gearing Specifications
| Bicycle chain | KMC |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | CH-52 Cartridge |
| Crankset parts and sizes | Suntour XCR-170 |
| Gear shift levers | Shimano ST-EF60 |
| Rear gear set | 11 - 30 Teeth 7-speed |
Opus Sonar Fork System Data
| Derailleur (Front) | Shimano C050 |
| Derailleur (Rear) | Shimano Tourney TX-51 |
| Fork material | Single |
| Fork type | 75 (millimeters) Travel RST 191 T7 |
Other Specs of Opus Sonar
| Component group sets | Mountain Mix |
| Pedals details | Wellgo Alloy Body and cage |
| Rear shock absorber | Not Available |
| Saddle seat | Black Ora |
| Seat post extension | 27.2 (millimeters) Diameter Ora SP242 |
Useful links and guides ....
- To know more about this exacte bike, Giant provided us with the latest version of its Boulder Knobby bike manual
- Find All parts, tires and accessories of Giant Boulder Knobby Mountain bike here
- Get your Opus Sonar manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Opus Sonar Mountain bike here