GT Thumper 2001 Technical specs and features
Brand | GT |
Model | Thumper |
First production | 2001 |
Bike category | Freestyle |
Bike sub-category | Freestyle And Jumping |
Bike Pricing | Check price Here ==> |
Parts And Accessories | GT Thumper Parts |
Available 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 Levers Tektro FX-20 U Brake Rear Brakes |
Hubs for disc brakes | GT Mohawk |
Rims manufacturer | 48-hole Alex AL-MX22 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14g |
Frame and Body Specifications
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 Specs
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 Teeth GT 3-piece Chromoly |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth 1-speed |
GT Thumper Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown Crown Chromoly |
Fork type | GT |
Other Specs of GT Thumper
Component group sets | Not Available |
Available colors | - Martian Green - Starlight Blue |
Weight | Not Available |
Pedals details | GT Aluminum Platform |
Rear shock absorber | Not Available |
Saddle seat | GT |
Seat post extension | GT Aluminum Micro-adjust |
GT Thumper picture
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GT Thumper bike review
GT produced the Thumper bike in 2001 and can be classified as a Freestyle bicycle, this exact model costs in american market arround $549.99.
GT Freestyle Thumper can be found in a few colors, among these colors Martian Green and Starlight Blue .
This bike is equiped with 20 x 2.10" GT LP-III tires and 14g spoke wheel while the rims are manufactured by Alex AL-MX22, 48-hole. GT equiped this exact model with Tektro FX-20 U brake rear brakes, Tektro 270-AX rear levers braking system and GT Mohawk hubs.
To guarantee the comfiest ride GT used Chromoly material for the frame. GT F.U.B.A.R. high strength material is used on the handlebar of this Thumper to ensure the perfect handling while the stems are made of GT Johnson.
For the smoothest biking experience GT 3-piece chromoly, 44 teeth is used on this bicycle linked to KMC chain that is easily replaceable as stated by GT.