Dirtmaster BIG BERTHA 2001 VS GT COMPE 2006 specs comparison
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 |
| 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 |
GT Compe
General Infos| Model | Compe |
| Manufacturer | GT |
| Year of production | 2006 |
| Current price | Check price Here ==> |
| Color choice |
- Yellow -80's 5 Blue |
| Sizes |
- 20 wheel (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.10 (inches) GT Air Bags |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | 319AC 907A 907AD Tektro Aluminum Levers Dual Anchor Bolts Forged Aluminum U-brake Front and Tektro Forged Aluminum U-brake Rear Brakes Tektro |
| Hubs for disc brakes | 14 (millimeters) Hi-carbon Axle Steel Body |
| Rims manufacturer | 31 (millimeters) Width 48 Hole 48-hole Aluminum Alex G303 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
| Frame materials | Cr-mo Down Tube GT FS Design |
| Frame type | TIG-welded |
| Handlebar construction | 7 (inches) Rise Hi-Ten GT Dirt and street Bend |
| Handlebar extender | Not Available |
| Handlebar stem details | Cold Forged Aluminum GT Johnson III Design |
| Headset size | Extra Deep Cup Engagement 1 1/8 (inches) Tange Seiki FATTY 22 |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Ball Type Steel |
| Crankset parts and sizes | 42 Teeth GT Tubular Forged 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Compe Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Cromo and Hi-Ten |
| Fork type | '05 GT Freestyle Design |
Other Specs of GT Compe
| Component group sets | BMX |
| Pedals details | Aluminum Body Cr-mo Alxe '05 GT Dirt and Street Platform Design |
| Rear shock absorber | Not Available |
| Saddle seat | 9 (millimeters) Rails With Brace Guards Front And Rear Two Piece '05 GT Jump Design |
| Seat post extension | 25.4 (millimeters) Diameter Aluminum |
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 GT Compe manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Compe Freestyle here