GT BUMP 1999 VS Redline FS 840 1999 specs comparison
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➜ GT Bump price
➜ Redline FS 840 price
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 1999 |
| Current price | 🛒 View Price → |
| Color choice | - Khaki-Atomic Blue |
| Sizes | - Not available |
| 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 |
Redline FS 840
General Infos| Model | FS 840 |
| Manufacturer | Redline |
| Year of production | 1999 |
| Current price | 🛒 View Price → |
| Color choice | - Gunmetal Blue- Redline Red-Chrome-Plated |
| Sizes | - Not available |
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 | Redline Alloy LeversOdyssey 1999 Front and Tektro U-brake Rear Brakes |
| Hubs for disc brakes | Redline Flight Group |
| Rims manufacturer | 48-holeRedline 7X |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeRedline |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Redline Freestyle |
| Handlebar extender | Not Available |
| Handlebar stem details | Redline Flight Group |
| Headset size | 1 1/8 (inches) Threadless Aheadset ST |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)KMC |
| Bottom bracket shell width | American 24tpi |
| Bottom bracket type | Redline Loose Ball |
| Crankset parts and sizes | 44 TeethRedline Hex |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Redline FS 840 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Oversize Unicrown CrownHi-tensile Steel |
| Fork type | Redline Freestyle |
Other Specs of Redline FS 840
| Component group sets | Not Available |
| Pedals details | Redline Resin Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Redline FS Shorty |
| Seat post extension | 25.4 (millimeters) DiameterRedline |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Bump bike manual
- Find All parts, tires and accessories of GT Bump Freestyle here
- Get your Redline FS 840 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Redline FS 840 Freestyle here