GT SPEED SERIES JR. 1999 VS Hoffman STAR FLASH 2001 specs comparison
GT Speed Series JR.
General InfosModel | Speed Series JR. |
Manufacturer | GT |
Year of production | 1999 |
Current price | Check price Here ==> |
Color choice |
-Ball-Burnished |
Sizes |
- Mini |
Sizes |
- Mini |
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 | Tektro Alloy Linear-pull Rear Levers Tektro Linear-pull Rear Brakes |
Hubs for disc brakes | GT Mohawk |
Rims manufacturer | 28-hole Weinmann Mini Zac |
Spoke nipples type | Brass Nipples |
Spoke wheel | 1.8 (millimeters) Straight Gauge Wheelsmith Stainless Steel |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | Welded |
Handlebar construction | GT Jr Aluminum |
Handlebar extender | Not Available |
Handlebar stem details | GT Mini Piston |
Headset size | 1 (inches) Threadless Aheadset AL |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches) |
Bottom bracket shell width | Not Available |
Bottom bracket type | Cartridge |
Crankset parts and sizes | 42 Teeth GT 3-piece Aluminum |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth 1-speed |
GT Speed Series JR. Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown Crown Reynolds 531 |
Fork type | GT |
Other Specs of GT Speed Series JR.
Component group sets | Not Available |
Pedals details | Victor VP-104 Clipless |
Rear shock absorber | Not Available |
Saddle seat | Uni Mini |
Seat post extension | Aluminum |
Hoffman Star Flash
General InfosModel | Star Flash |
Manufacturer | Hoffman |
Year of production | 2001 |
Current price | Check price Here ==> |
Color choice |
-White |
Sizes |
- Pro - Pro XL |
Wheels And Breaking System
Bike front tire | Rear: 20 X 1.75 (inches) Tioga Comp III Front: 20 X 2.125 (inches) Tioga Comp III |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe MX-1 Rear Levers Dia-Compe MX1 Rear Brakes |
Hubs for disc brakes | Aluminum |
Rims manufacturer | 36-hole Alex 7X |
Spoke nipples type | Not Available |
Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
Frame materials | 4130 chromoly c |
Frame type | TIG-welded |
Handlebar construction | HoffmanBikes Racing |
Handlebar extender | Not Available |
Handlebar stem details | Hoffman Bikes SuperStem |
Headset size | 1 1/8 (inches) Threadless DIa-Compe SB |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Sealed Three Piece |
Crankset parts and sizes | 44 Teeth 1-piece Chromoly |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth 1-speed |
Hoffman Star Flash Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | 4130 chromoly c |
Fork type | Hoffman Bikes Flash |
Other Specs of Hoffman Star Flash
Component group sets | Not Available |
Pedals details | Wellgo LU-313 |
Rear shock absorber | Not Available |
Saddle seat | Hoffman Bikes Logo |
Seat post extension | 25.4 (millimeters) Diameter Aluminum |
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 Hoffman Star Flash manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Hoffman Star Flash BMX here