GT SPEED SERIES JR 1998 VS GT POWER SERIES ULTRA BOX 2007 specs comparison
GT Speed Series Jr
General Infos| Model | Speed Series Jr |
| Manufacturer | GT |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Ball-burnished |
| Sizes |
- Junior |
| Sizes |
- Junior |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) GT AA Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-122 Levers Tektro Dual-pivot Caliper Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 28-hole Weinmann Mini Zac |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT Jr Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Mini Piston |
| Headset size | 1 (inches) Threadless Aheadset DX2 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | GT Cartridge |
| Crankset parts and sizes | GT 3-piece Jr Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
GT Speed Series Jr Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Speed Series Jr
| Component group sets | Not Available |
| Pedals details | Victor VP-103 Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | GT Aluminum |
GT Power Series Ultra Box
General Infos| Model | Power Series Ultra Box |
| Manufacturer | GT |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Blue and Black |
| Sizes |
- 20 wheel (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Kenda Small Block Eight Front: 20 X 2.10 (inches) Kenda Small Block Eight |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | BX-25 Rear Brakes Tektro BX-2 Sabre Levers Alloy Side-pull Caliper Front and Tektro |
| Hubs for disc brakes | Rear: BMX Race Cassette Front: GT BMX Sealed |
| Rims manufacturer | 36-hole Sun Rhyno Lite XL |
| Spoke nipples type | 14 G Black Aluminum |
| Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX Race Cruiser Cr-mo |
| Handlebar extender | Optional |
| Handlebar stem details | GT BMX Race |
| Headset size | 1 1/8 (inches) Integrated FSA Orbit Z |
Gearing Specifications
| Bicycle chain | KMC Z610HX |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TruVativ Gigapipe DH ISIS |
| Crankset parts and sizes | TruVativ Racing Team |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
GT Power Series Ultra Box Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Aluminum and chromoly |
| Fork type | GT BMX Design |
Other Specs of GT Power Series Ultra Box
| Component group sets | BMX Mix |
| Pedals details | GT CNC Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | SDG I-Fly |
| Seat post extension | SDG I-Beam |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Speed Series Jr bike manual
- Find All parts, tires and accessories of GT Speed Series Jr BMX here
- Get your GT Power Series Ultra Box manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Power Series Ultra Box BMX here