Nirve 720 2003 VS Dirtmaster BIG BERTHA 1999 specs comparison
Nirve 720
General Infos| Model | 720 |
| Manufacturer | Nirve |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice |
-Satin Black |
| Sizes |
- Professional size |
| Sizes |
- Professional size |
Wheels And Breaking System
| Bike front tire | 20 X 2.10 (inches) Tioga Comp III |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 273A Rear Levers Tektro FX-15 U-brake Rear Brakes |
| Hubs for disc brakes | Rear: Nirve 14 (millimeters) Flip-flop Front: Nirve 14 (millimeters) |
| Rims manufacturer | 48-hole Alex DX-2418 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Nirve Expert Cr-mo |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Threadless Dia-Compe Tank |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z-510HX |
| Bottom bracket shell width | 68 (millimeters) American |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | 39 Teeth Nirve Trail FS 3-Piece |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
Nirve 720 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly Steerer |
| Fork type | Nirve |
Other Specs of Nirve 720
| Component group sets | Not Available |
| Pedals details | Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Nirve Trail FS |
| Seat post extension | 25.4 (millimeters) Diameter Nirve Cr-mo |
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 |
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 |
Related Bike comparison
Nirve 720 Redline FS 840
Nirve 720 2-Hip Soul
Nirve 720 Redline Raid
Nirve 720 Mongoose DMC Pro
Useful links and guides ....
- To know more about this exacte bike, Nirve provided us with the latest version of its 720 bike manual
- Find All parts, tires and accessories of Nirve 720 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