GT POWER SERIES JR. 2007 VS Hoffman Bikes MANTRA AL 2008 specs comparison
GT Power Series Jr.
General Infos| Model | Power Series Jr. |
| Manufacturer | GT |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Blue and Black |
| Sizes |
- 20 wheel (inches) |
| Sizes |
- 20 wheel (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 1-3/8 (inches) Kenda Small Block Eight |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | 926AL Rear Brakes Mini BMX Levers Alloy Side-pull Caliper Front and Tektro |
| Hubs for disc brakes | Rear: BMX Race Cassette Front: GT BMX Sealed |
| Rims manufacturer | 28-hole Sun M13-II |
| Spoke nipples type | Aluminum Nipples |
| Spoke wheel | 15ga. Straight Gauge |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | GT Mini Piston |
| Headset size | 1 (inches) Integrated FSA Orbit IS-2A |
Gearing Specifications
| Bicycle chain | KMC Z610 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Euro Cartridge |
| Crankset parts and sizes | GT Forged Aluminum 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
GT Power Series Jr. 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 Jr.
| Component group sets | BMX Mix |
| Pedals details | Aluminum Body With Bolt On Aluminum Cage |
| Rear shock absorber | Not Available |
| Saddle seat | GT Mini |
| Seat post extension | 22.2 (millimeters) Diameter Aluminum |
Hoffman Bikes Mantra AL
General Infos| Model | Mantra AL |
| Manufacturer | Hoffman Bikes |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
- Lotus -Steel Blue |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.95 (inches) HB Skidmark Front: 20 X 2.125 (inches) Kenda K-Rad |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 289 Rear Levers Tektro 907 U-brake Rear Brakes |
| Hubs for disc brakes | Rear: 36H 14 (millimeters) Axle Front: 36H 3/8 (inches) Axle |
| Rims manufacturer | 36-hole Rear: Alex Supra E Double Wall Front: Jalco Double Wall |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Not Available |
| Frame type | TIG-welded |
| Handlebar construction | HB 2-piece |
| Handlebar extender | Optional |
| Handlebar stem details | Not Available |
| Headset size | FSA Impact |
Gearing Specifications
| Bicycle chain | KMC 410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed |
| Crankset parts and sizes | 27 Teeth 3 Piece Tubular 175 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 10 Teeth 1-speed |
Hoffman Bikes Mantra AL Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Chromoly |
| Fork type | HB |
Other Specs of Hoffman Bikes Mantra AL
| Component group sets | BMX Mix |
| Pedals details | Wellgo Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | HB Slim Kevlar |
| Seat post extension | 25.4 (millimeters) Diameter |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Power Series Jr. bike manual
- Find All parts, tires and accessories of GT Power Series Jr. BMX here
- Get your Hoffman Bikes Mantra AL manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Hoffman Bikes Mantra AL BMX here