Dirtmaster BIG BERTHA 1999 VS Felt ETHIC 2005 specs comparison
Dirtmaster Big Bertha
General InfosModel | Big Bertha |
Manufacturer | Dirtmaster |
Year of production | 1999 |
Current price | Check price Here ==> |
Color choice | - Chrome-Plated- Red- Yellow-Black |
Sizes | - Pro XL |
Sizes | - Pro XL |
Wheels And Breaking System
Bike front tire | 20 X 2.25 (inches) Kenda K-841 |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe Tech 99 LeversDia-Compe 990 Brakes |
Hubs for disc brakes | Joy Tech Jy A085SBT |
Rims manufacturer | 48-holeAlex Supra |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeDa-Sen Stainless Steel |
Frame and Body Specs
Frame materials | 4130 chromoly c |
Frame type | TIG-welded |
Handlebar construction | Dirtmaster Hoochie |
Handlebar extender | Not Available |
Handlebar stem details | Odyssey Bang |
Headset size | 1 1/8 (inches) Threadless Aheadset SE-1 F and S With Odyssey Gyro Detangler |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC 410H |
Bottom bracket shell width | American 24tpi |
Bottom bracket type | YST BB 621 |
Crankset parts and sizes | 44 Teeth1-piece Chromoly 180 (millimeters) |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Dirtmaster Big Bertha Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown Crown4130 Chromoly |
Fork type | Dirtmaster Street Fork |
Other Specs of Dirtmaster Big Bertha
Component group sets | Not Available |
Pedals details | Wellgo LU-313U |
Rear shock absorber | Not Available |
Saddle seat | Team Products Embroidered |
Seat post extension | 25.4 (millimeters) DiameterPrimo Rod |

Felt Ethic
General InfosModel | Ethic |
Manufacturer | Felt |
Year of production | 2005 |
Current price | Check price Here ==> |
Color choice | - Gray- Red-White |
Sizes | - Not available |
Wheels And Breaking System
Bike front tire | 20 X 2.00 (inches) Felt Bake Show |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Aluminum LeversTektro Alloy U-brake Brakes |
Hubs for disc brakes | 14 (millimeters)Steel |
Rims manufacturer | Alex F303 |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | Chromoly Down Tube and hi-tensile Steel |
Frame type | TIG-welded |
Handlebar construction | Felt Wheelie Bar Hi-ten |
Handlebar extender | Optional |
Handlebar stem details | Felt Drop Ten |
Headset size | 1 1/8 (inches) Threadless Felt FUH |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Not Available |
Crankset parts and sizes | 43 Teeth3-piece Chromoly |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Felt Ethic Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | Felt |
Other Specs of Felt Ethic
Component group sets | Not Available |
Pedals details | Felt Backpedal |
Rear shock absorber | Not Available |
Saddle seat | Felt Bacon Stripe BMX |
Seat post extension | 25.4 (millimeters) DiameterSteel |
Useful links and guides ....
- To know more about this exacte bike, Dirtmaster provided us with the latest version of its Big Bertha bike manual
- Find All parts, tires and accessories of Dirtmaster Big Bertha Freestyle here
- Get your Felt Ethic manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Felt Ethic Freestyle here