GT THUMPER 2001 VS Felt BASE 20 2005 specs comparison
GT Thumper
General Infos| Model | Thumper |
| Manufacturer | GT |
| Year of production | 2001 |
| Current price | Check price Here ==> |
| Color choice | - Starlight Blue-Martian Green |
| Sizes | - Pro |
| Sizes | - Pro |
Wheels And Breaking System
| Bike front tire | 20 X 2.10 (inches) GT LP-III |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 270-AX Rear LeversTektro FX-20 U Brake Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 48-holeAlex AL-MX22 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14g |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | GT F.U.B.A.R. |
| Handlebar extender | Optional |
| Handlebar stem details | GT Johnson |
| Headset size | 1 1/8 (inches) Threadless Tange Seiki STE |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)KMC |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | 44 TeethGT 3-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
GT Thumper Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | GT |
Other Specs of GT Thumper
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | GT Aluminum Micro-adjust |
Felt Base 20
General Infos| Model | Base 20 |
| Manufacturer | Felt |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice | - Matte Black- Matte Olive Green-Moody Blue |
| Sizes | - Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 2.00 (inches) Felt Slip-Not Dirt and TrailFront: 20 X 2.25 (inches) Felt Slip-Not Dirt and Trail |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Aluminum LeversTektro Aluminum Caliper Brakes |
| Hubs for disc brakes | 14 (millimeters)Steel |
| Rims manufacturer | 36-holeAlex F303 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Felt Low-profile |
| Handlebar extender | Optional |
| Handlebar stem details | Felt Drop Ten |
| Headset size | 1 1/8 (inches) Threadless TH |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 41 Teeth1-piece Steel |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Felt Base 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownHigh-tensile Steel |
| Fork type | Felt |
Other Specs of Felt Base 20
| Component group sets | Not Available |
| Pedals details | Felt Backpedal |
| Rear shock absorber | Not Available |
| Saddle seat | Felt FS |
| Seat post extension | 25.4 (millimeters) DiameterSteel |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Thumper bike manual
- Find All parts, tires and accessories of GT Thumper Freestyle here
- Get your Felt Base 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Felt Base 20 Freestyle here