Redline RL 640 1997 VS GT BUMP 1999 specs comparison
Redline RL 640
General Infos| Model | RL 640 |
| Manufacturer | Redline |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice | -Chrome-plated |
| Sizes | - Boys |
| Sizes | - Boys |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Redline Freaky-V |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe LeversDia-Compe 990 Brakes |
| Hubs for disc brakes | Redline Aluminum Nutted |
| Rims manufacturer | 48-holeSun Rims Rhyno Lite |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | Redline Forklifter |
| Handlebar extender | Not Available |
| Handlebar stem details | Redline Flight |
| Headset size | 1 1/8 (inches) Threadless Dia-Compe Aheadset With SST Oryg Detangler |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)KMC 410 |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 44 TeethRedline 1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Redline RL 640 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown4130 Chromoly |
| Fork type | Redline |
Other Specs of Redline RL 640
| Component group sets | Not Available |
| Pedals details | Proline Aluminum |
| Rear shock absorber | Not Available |
| Saddle seat | Redline Ha (millimeters)erhead |
| Seat post extension | Redline Ha (millimeters)erhead Chromoly |
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice | - Khaki-Atomic Blue |
| Sizes | - Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Powerlite Retro-TreadFront: 20 X 2.125 (inches) Powerlite Retro-Tread |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-97 Rear LeversDia-Compe 990 Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 48-holeWeinmann ZAC-X |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeSteel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | Welded |
| Handlebar construction | GT |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston |
| Headset size | 1 1/8 (inches) Threadless Aheadset SX-1 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 44 TeethGT 1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
GT Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Oversize Unicrown CrownChromoly |
| Fork type | GT |
Other Specs of GT Bump
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | 31.8 (millimeters) DiameterGT Chromoly Micro-adjust |
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 GT Bump manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Bump Freestyle here