Trek TR-30 JUMPING 1999 VS GT THUMPER 2003 specs comparison
Trek TR-30 Jumping
General InfosModel | 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-2 Front: 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 Levers Dia-Compe 990 Brakes |
Hubs for disc brakes | Kung Ten Aluminum |
Rims manufacturer | 48-hole Bontrager 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 Teeth 1-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) Diameter Alloy |
![GT Thumper 2003 comparison online with competitors](https://yobicycle.com/images/models/GT-Thumper-2003-specs.jpg)
GT Thumper
General InfosModel | Thumper |
Manufacturer | GT |
Year of production | 2003 |
Current price | Check price Here ==> |
Color choice |
- TT Gray -Moro 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 273A Rear Levers Tektro FX-11 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 Specs
Frame materials | Chromoly |
Frame type | TIG-welded |
Handlebar construction | GT BMX |
Handlebar extender | Not Available |
Handlebar stem details | GT Piston |
Headset size | 1 1/8 (inches) Threadless Tange-Seiki TGMX |
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 Teeth GT 3-piece Chromoly |
Gear shift levers | Not Available |
Rear gear set | 14 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 |
Pedals details | GT Johnson Design |
Rear shock absorber | Not Available |
Saddle seat | GT Launch Pad |
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 Thumper manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Thumper Freestyle here