GT Bump 2005 Technical specs and features
| Brand | GT |
| Model | Bump |
| First production | 2005 |
| Bike category | Freestyle |
| Bike sub-category | Freestyle And Jumping |
| Bike Pricing | See price on Amazon |
| Parts And Accessories | GT Bump Parts |
| Available Sizes | - Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 2.10 (inches) GT LP-IVFront: 20 X 2.20 (inches) GT 1453 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 274A Rear LeversTektro 907AD Rear Brakes |
| Hubs for disc brakes | 3/8 (inches) AxleAluminum |
| Rims manufacturer | Alex G22 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specifications
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly 2-piece |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Johnson III |
| Headset size | 1 1/8 (inches) Threadless Tange Seiki Fatty 22 |
Gearing Specs
| 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 | 39 TeethGT Tubular Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth1-speed |
GT Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | GT |
Other Specs of GT Bump
| Component group sets | Not Available |
| Available colors | - Deep Artic Blue- Madness Pewter |
| Weight | Unspecified |
| Pedals details | GT Dirt and Street |
| Rear shock absorber | Not Available |
| Saddle seat | GT-6 Original |
| Seat post extension | Aluminum Micro-adjust |
GT Bump picture
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GT Bump bike review
GT produced the Bump bike in 2005 and can be classified as a Freestyle bicycle, this exact model costs in american market arround $269.99.GT Freestyle Bump can be found in a few colors, among these colors Deep Artic Blue and Madness Pewter .
This bike is equiped with Front: 20 x 2.20" GT 1453 tires and 14ga. straight gauge spoke wheel while the rims are manufactured by Alex G22. GT equiped this exact model with Tektro 907AD rear brakes, Tektro 274A rear levers braking system and Aluminum, 3/8" axle hubs.
To guarantee the comfiest ride GT used Chromoly material for the frame. Chromoly 2-piece high strength material is used on the handlebar of this Bump to ensure the perfect handling while the stems are made of GT Johnson III.
For the smoothest biking experience GT tubular chromoly, 39 teeth is used on this bicycle linked to KMC Z410 chain that is easily replaceable as stated by GT.