Dirtmaster BIG BERTHA 1999 VS Giant STP 2007 specs comparison
Dirtmaster Big Bertha
General Infos| Model | 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 Levers Dia-Compe 990 Brakes |
| Hubs for disc brakes | Joy Tech Jy A085SBT |
| Rims manufacturer | 48-hole Alex Supra |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Da-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 Teeth 1-piece Chromoly 180 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Dirtmaster Big Bertha Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 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) Diameter Primo Rod |
Giant STP
General Infos| Model | STP |
| Manufacturer | Giant |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Frost Green |
| Sizes |
- Large - Regular |
Wheels And Breaking System
| Bike front tire | 26 X 2.40 (inches) Maxxis Holy Roller |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid FR-5 Levers Avid BB-5 Disc Front and Avid BB-5 Disc Rear Brakes |
| Hubs for disc brakes | Formula Disc |
| Rims manufacturer | Sun SOS |
| Spoke nipples type | Not Available |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | ALUXX SL Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | 6061 Alloy c |
| Handlebar extender | Optional |
| Handlebar stem details | Giant FR |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | Shimano CN-IG51 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TruVativ ISIS |
| Crankset parts and sizes | 36 Teeth TruVativ Hussefelt |
| Gear shift levers | SRAM SX4 Trigger |
| Rear gear set | 11 - 28 Teeth |
Giant STP Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | SRAM SX.5 Mid Cage |
| Fork material | Single Crown Aluminum and magnesium |
| Fork type | 100 (millimeters) Travel Marzocchi Dirt Jumper 3 |
Other Specs of Giant STP
| Component group sets | SRAM Mix |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Giant Dirt Jump |
| Seat post extension | 30.9 (millimeters) Diameter 6061 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 Giant STP manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Giant STP Freestyle here