GT SPEED SERIES JR 1998 VS Specialized FATBOY A1 PRO 1997 specs comparison

GT Speed Series Jr
General InfosModel | 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 LeversTektro Dual-pivot Caliper Brakes |
Hubs for disc brakes | GT Mohawk |
Rims manufacturer | 28-holeWeinmann Mini Zac |
Spoke nipples type | Alloy Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeStainless 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 CrownChromoly |
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 |

Specialized Fatboy A1 Pro
General InfosModel | Fatboy A1 Pro |
Manufacturer | Specialized |
Year of production | 1997 |
Current price | Check price Here ==> |
Color choice | -Polished |
Sizes | - Large - xlarge |
Wheels And Breaking System
Bike front tire | Rear: 20 X 1.85 (inches) SBC BMXtremeFront: 20 X 2.125 (inches) SBC BMXtreme |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Shimano Deore LX LeversShimano Deore LX V-Brake Rear Brakes |
Hubs for disc brakes | Aluminum Nutted |
Rims manufacturer | 36-holeAraya Super 7X |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeStainless Steel |
Frame and Body Specs
Frame materials | SBC A1 Premium Aluminum |
Frame type | TIG-welded |
Handlebar construction | Chromoly |
Handlebar extender | Not Available |
Handlebar stem details | SBC Aluminum |
Headset size | 1 1/8 (inches) Threadless Tange-Seiki |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) |
Bottom bracket shell width | American 24tpi |
Bottom bracket type | SBC Sealed |
Crankset parts and sizes | 44 TeethSBC 3-piece Chromoly |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Specialized Fatboy A1 Pro Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Oversize Unicrown CrownChromoly |
Fork type | Fatboy |
Other Specs of Specialized Fatboy A1 Pro
Component group sets | Not Available |
Pedals details | Aluminum |
Rear shock absorber | Not Available |
Saddle seat | SBC Pro |
Seat post extension | 26.6 (millimeters) DiameterAluminum Micro-adjust |
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 Specialized Fatboy A1 Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Fatboy A1 Pro BMX here