Redline RL 640 1996 VS Dirtmaster BIG BERTHA 1999 specs comparison
Redline RL 640
General Infos| Model | RL 640 |
| Manufacturer | Redline |
| Year of production | 1996 |
| Current price | Check price Here ==> |
| Color choice |
-Chrome-plated |
| Sizes |
- Boys 12 (inches) |
| Sizes |
- Boys 12 (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.00 (inches) Redline |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Chang Star 257A Levers Dia-Compe Bulldog and Suntour XC-Expert Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | 48-hole Sun Metal Rhyno |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Oversize Chromoly |
| Frame type | Pulse Welded |
| Handlebar construction | Redline Forklifter |
| Handlebar extender | Not Available |
| Handlebar stem details | Redline Stealth |
| Headset size | 1 (inches) Tien Hsin TH-404 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) Taya 410 |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 1-piece Chromoly 7 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Redline RL 640 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Redline |
Other Specs of Redline RL 640
| Component group sets | Not Available |
| Pedals details | Redline Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Redline |
| Seat post extension | 25.4 (millimeters) Diameter Redline Chromoly |
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 |
Useful links and guides ....
- To know more about this exacte bike, Redline provided us with the latest version of its RL 640 bike manual
- Find All parts, tires and accessories of Redline RL 640 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