Trek TR-30 JUMPING 1999 VS GT BUMP 2003 specs comparison
Trek TR-30 Jumping
General Infos| Model | TR-30 Jumping |
| Manufacturer | Trek |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice | -Tidal Blue and Sky Blue |
| Sizes | - Pro |
| Sizes | - Pro |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Bontrager Revolt ST-2Front: 20 X 2.10 (inches) Bontrager Revolt ST-2 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Chang Star 281DT LeversDia-Compe 990 Brakes |
| Hubs for disc brakes | Kung Ten Aluminum |
| Rims manufacturer | 48-holeBontrager Mack |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly |
| Handlebar extender | Not Available |
| Handlebar stem details | Alloy Ahead Type |
| Headset size | 1 1/8 (inches) Threadless Aheadset SE-1 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)Taya TB-410 |
| Bottom bracket shell width | American |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 1-piece Steel |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Trek TR-30 Jumping Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Chromoly |
| Fork type | Trek |
Other Specs of Trek TR-30 Jumping
| Component group sets | Not Available |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager FS Plus 10 |
| Seat post extension | 25.4 (millimeters) DiameterAlloy |
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice | - Yellow-Blue |
| 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 LeversTektro 907A U-brake Rear Brakes |
| Hubs for disc brakes | 14 (millimeters) AxleAluminum |
| Rims manufacturer | 36-holeAlex G22 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
| 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 Specifications
| 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 TeethGT 3-piece 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 |
| Pedals details | GT Johnson Design |
| Rear shock absorber | Not Available |
| Saddle seat | 9 (millimeters) RailsGT Jr Jump |
| Seat post extension | Steel Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its TR-30 Jumping bike manual
- Find All parts, tires and accessories of Trek TR-30 Jumping Freestyle here
- Get your GT Bump manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Bump Freestyle here