Trek TR-30 JUMPING 1999 VS GT FLY 2007 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-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 Fly
General InfosModel | Fly |
Manufacturer | GT |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice | - Fizzy Blue-Matte Charcoal |
Sizes | - 20 wheel (inches) |
Wheels And Breaking System
Bike front tire | Rear: 26 X 2.10 (inches) Kenda KonxsionFront: 26 X 2.125 (inches) Front: Kenda K-Rad |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | FX-330D Rear Brakes Tektro 299A LeversTektro |
Hubs for disc brakes | Steel |
Rims manufacturer | 36-holeAlex G303 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
Frame materials | Chromoly |
Frame type | TIG-welded |
Handlebar construction | GT Dirt and street Hi-Ten |
Handlebar extender | Optional |
Handlebar stem details | GT FS Design |
Headset size | 1 1/8 (inches) Threadless Tange Seiki FATTY 22 |
Gearing Specifications
Bicycle chain | KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Ball Type With 8 Spline Cr-Mo Axle |
Crankset parts and sizes | GT Tubular Cr-mo 3pc. |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
GT Fly Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | '05 GT Dirt Jump |
Other Specs of GT Fly
Component group sets | BMX Mix |
Pedals details | Aluminum Body Cr-mo Alxe'05 GT Dirt and Street Platform Design |
Rear shock absorber | Not Available |
Saddle seat | Velo Mini Street |
Seat post extension | 25.4 (millimeters) DiameterAlloy 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 Fly manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Fly Freestyle here