GT Bump 2003 Technical specs and features
| Brand | GT |
| Model | Bump |
| First production | 2003 |
| Bike category | Freestyle |
| Bike sub-category | Freestyle And Jumping |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | GT Bump Parts |
| Available Sizes | - One |
Wheels And Breaking System
| Bike front tire | 20 X 2.10 (inches) GT LP-4 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 274A Rear Levers Tektro 907A U-brake Rear Brakes |
| Hubs for disc brakes | 14 (millimeters) Axle Aluminum |
| Rims manufacturer | 36-hole Alex G22 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specifications
| Frame materials | Chromoly Main Triangle and hi-tensile Steel Rear Stays |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston |
| Headset size | 1 1/8 (inches) Threadless Victor VP-A74F |
Gearing Specs
| Bicycle chain | 1/2 X 3/16 (inches) KMC 410 |
| Bottom bracket shell width | American |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 39 Teeth GT 3-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
GT Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Bump
| Component group sets | Not Available |
| Available colors | - Blue - Yellow |
| Weight | Unspecified |
| Pedals details | GT Johnson Design |
| Rear shock absorber | Not Available |
| Saddle seat | 9 (millimeters) Rails GT Jr Jump |
| Seat post extension | Steel Micro-adjust |
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GT produced the Bump bike in 2003 and can be classified as a Freestyle bicycle, this exact model costs in american market arround $249.99.
GT Freestyle Bump can be found in a few colors, among these colors Blue and Yellow .
This bike is equiped with 20 x 2.10" GT LP-4 tires and Stainless steel spoke wheel while the rims are manufactured by Alex G22, 36-hole. GT equiped this exact model with Tektro 907A U-brake rear brakes, Tektro 274A rear levers braking system and Aluminum, 14mm axle hubs.
To guarantee the comfiest ride GT used Chromoly main triangle/hi-tensile steel rear stays material for the frame. GT BMX high strength material is used on the handlebar of this Bump to ensure the perfect handling while the stems are made of GT Piston.
For the smoothest biking experience GT 3-piece chromoly, 39 teeth is used on this bicycle linked to KMC 410 chain that is easily replaceable as stated by GT.
