Trek SUB-HEAD 1998 VS GT POWER SERIES JR. 2009 specs comparison
Trek Sub-Head
General Infos| Model | Sub-Head |
| Manufacturer | Trek |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice | - Tidal Blue-Sky Blue |
| Sizes | - Pro |
| Sizes | - Pro |
Wheels And Breaking System
| Bike front tire | 20 X 1.75 (inches) Kenda K-50 Comp III Type |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | 281 DT LeversVB-887 Rear Brakes |
| Hubs for disc brakes | NuttedKung Ten Aluminum |
| Rims manufacturer | 36-holeAluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeSteel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Trek |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Threadless Aheadset |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)Taya 410 |
| Bottom bracket shell width | American 24tpi |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 44 Teeth1-piece Steel |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Trek Sub-Head Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | Trek |
Other Specs of Trek Sub-Head
| Component group sets | Not Available |
| Pedals details | AluminumPlatform |
| Rear shock absorber | Not Available |
| Saddle seat | Trek |
| Seat post extension | 25.4 (millimeters) DiameterMicro-adjust |
GT Power Series Jr.
General Infos| Model | Power Series Jr. |
| Manufacturer | GT |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice | -White and Black |
| Sizes | - 18.25 TT (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) Kenda Small Block Eight |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Mini BMX Rear LeversTektro 926AL Mini-V Rear Brakes |
| Hubs for disc brakes | Rear: Joy Tech BMX CassetteFront: GT Aluminum Sealed |
| Rims manufacturer | 28-holeAlex DA-22 |
| Spoke nipples type | Aluminum Nipples |
| Spoke wheel | 15ga. |
Frame and Body Specs
| Frame materials | 6061-T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Mini BMX |
| Headset size | 1 (inches) FSA Orbit IS-2 |
Gearing Specifications
| Bicycle chain | KMC Z610 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | ISIS Cartridge |
| Crankset parts and sizes | 39 TeethGT Forged Aluminum 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 13 14 15 16 17 18 Teeth1-speed |
GT Power Series Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownAluminum and chromoly Steerer |
| Fork type | GT BMX |
Other Specs of GT Power Series Jr.
| Component group sets | BMX |
| Pedals details | Aluminum Body With Bolt On Aluminum Cage |
| Rear shock absorber | Not Available |
| Saddle seat | GT Mini BMX |
| Seat post extension | 22.2 (millimeters) DiameterIntegrated |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its Sub-Head bike manual
- Find All parts, tires and accessories of Trek Sub-Head BMX here
- Get your GT Power Series Jr. manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Power Series Jr. BMX here