GT BESTWICK PRO 2005 VS Dirtmaster BIG BERTHA 2001 specs comparison
GT Bestwick Pro
General Infos| Model | Bestwick Pro |
| Manufacturer | GT |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
- Bestwick Brown Matte -Battleship Gray |
| Sizes |
- Not available |
| Sizes |
- Not available |
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 | Tektro 273A Levers Tektro 940AFS Front and Tektro 940AD Rear Brakes |
| Hubs for disc brakes | 14 (millimeters) Axle Aluminum |
| Rims manufacturer | Alex DX-2418 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
| Frame materials | Chromoly Main Triangle and hi-ten Steel Stays |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly 2-piece |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Johnson III |
| Headset size | 1 1/8 (inches) Threadless Tange Seiki Fatty 22 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410H |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 39 Teeth GT Tubular Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
GT Bestwick Pro Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Bestwick Pro
| Component group sets | Not Available |
| Pedals details | Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT Launch Pad |
| Seat post extension | Aluminum Micro-adjust |
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, GT provided us with the latest version of its Bestwick Pro bike manual
- Find All parts, tires and accessories of GT Bestwick Pro 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