Kona COWAN 2008 VS Dirtmaster BIG BERTHA 2001 specs comparison
Kona Cowan
General Infos| Model | Cowan |
| Manufacturer | Kona |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Silver and White Matte |
| Sizes |
- 13 (inches) - 14 (inches) - 16 (inches) - 17 (inches) |
| Sizes |
- 13 (inches) - 14 (inches) - 16 (inches) - 17 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.35 (inches) Maxxis High Roller |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Hayes Stroker Trail Hydraulic Levers Hayes Stroker Trail With V6 Rotor Brakes |
| Hubs for disc brakes | Rear: Shimano M525 Disc Front: KK Disc 20 (millimeters) |
| Rims manufacturer | Sun EQ 3.1SL |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless Steel |
Frame and Body Specs
| Frame materials | Kona Clump 7005 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | FSA Maximus Riser OS |
| Handlebar extender | Optional |
| Handlebar stem details | FSA Gap OS |
| Headset size | FSA Integrated |
Gearing Specifications
| Bicycle chain | Shimano HG50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA Mega EXO |
| Crankset parts and sizes | 24/36 Teeth FSA Moto-X MegaExo |
| Gear shift levers | Shimano Alivio |
| Rear gear set | 11 - 32 Teeth 8-speed |
Kona Cowan Fork System Data
| Derailleur (Front) | Shimano Alivio |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Single Crown Steel |
| Fork type | 100 (millimeters) Travel Marzocchi Dirt Jumper 2 With QR20 |
Other Specs of Kona Cowan
| Component group sets | Mountain Mix |
| Pedals details | Kona Jackshit |
| Rear shock absorber | Not Available |
| Saddle seat | Kona Dirt Jump |
| Seat post extension | FSA Maximus Dbl |
Dirtmaster Big Bertha
General Infos| Model | Big Bertha |
| Manufacturer | Dirtmaster |
| Year of production | 2001 |
| Current price | Check price Here ==> |
| Color choice |
- Green -Black |
| Sizes |
- Pro |
Wheels And Breaking System
| Bike front tire | 24 X 1.95 (inches) Radix |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Dia-Compe Tech 99 Rear Levers Dia-Compe 990 Rear Brakes |
| Hubs for disc brakes | Radix |
| Rims manufacturer | 48-hole Alex Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Chung Nan Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | DirtMaster Monkey Bar |
| Handlebar extender | Not Available |
| Handlebar stem details | Radix |
| Headset size | 1 1/8 (inches) Threadless Aheadset-Tank |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | American |
| Bottom bracket type | Sealed Three Piece |
| Crankset parts and sizes | 40 Teeth 3-piece Aluminum and chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Dirtmaster Big Bertha Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | DirtMaster |
Other Specs of Dirtmaster Big Bertha
| Component group sets | Not Available |
| Pedals details | Radix |
| Rear shock absorber | Not Available |
| Saddle seat | Radix |
| Seat post extension | 25.4 (millimeters) Diameter Radix |
Useful links and guides ....
- To know more about this exacte bike, Kona provided us with the latest version of its Cowan bike manual
- Find All parts, tires and accessories of Kona Cowan Freestyle here
- Get your Dirtmaster Big Bertha manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Dirtmaster Big Bertha Freestyle here