Specialized ROCKHOPPER A1 FS COMP 1999 VS GT AGGRESSOR 1998 specs comparison

Specialized Rockhopper A1 FS Comp
General InfosModel | Rockhopper A1 FS Comp |
Manufacturer | Specialized |
Year of production | 1999 |
Current price | Check price Here ==> |
Color choice | - Pearl White-Grabber Green |
Sizes | - 13 (inches)- 15 (inches)- 17 (inches)- 18 (inches)- 19 (inches)- 21 (inches)- 23 (inches) |
Sizes | - 13 (inches)- 15 (inches)- 17 (inches)- 18 (inches)- 19 (inches)- 21 (inches)- 23 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 1.95 (inches) Specialized Dirt Control Comp |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Avid SD-1.0 L LeversDia-Compe 735 Direct Pull Brakes |
Hubs for disc brakes | Rear: Specialized STOUT CompFront: Specialized Alloy |
Rims manufacturer | 32-hole Rear: Ritchey Rock OCRFront: Ritchey Rock Comp |
Spoke nipples type | Brass Nipples |
Spoke wheel | 1.8 (millimeters) Straight GaugeChung Nan Stainless Steel |
Frame and Body Specs
Frame materials | Specialized A1 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Specialized Alloy |
Handlebar extender | Not Available |
Handlebar stem details | Specialized A-1 |
Headset size | 1 1/8 (inches) Threadless Specialized Headfirst Sport |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Shimano CN-HG72 |
Bottom bracket shell width | 73 (millimeters) English |
Bottom bracket type | 110 (millimeters) SpindleSpecialized Comp |
Crankset parts and sizes | 22/32/44 TeethSpecialized ForeArm Comp |
Gear shift levers | Shimano Deore LX RapidFire SL |
Rear gear set | 11 - 32 Teeth9-speed |
Specialized Rockhopper A1 FS Comp Fork System Data
Derailleur (Front) | Clamp-on 35.0 (millimeters)Shimano Deore LX Top-swing |
Derailleur (Rear) | Shimano Deore XT SGS |
Fork material | Triple-clamp CrownAluminum and magnesium |
Fork type | 3.15 (inches) TravelAnswer Manitou Spyder R |
Other Specs of Specialized Rockhopper A1 FS Comp
Component group sets | Mountain Mix |
Pedals details | Specialized Comp Clipless |
Rear shock absorber | Not Available |
Saddle seat | Specialized Prolong |
Seat post extension | 30.9 (millimeters) DiameterSpecialized Micro-adjust |

GT Aggressor
General InfosModel | Aggressor |
Manufacturer | GT |
Year of production | 1998 |
Current price | Check price Here ==> |
Color choice | - orange-Black |
Sizes | - 12.5 (inches)- 14.5 (inches)- 16 (inches)- 18 (inches)- 19 (inches)- 20 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 2.10 (inches) Knobby |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Dia-Compe DP-7 LeversDia-Compe VC-757 Brakes |
Hubs for disc brakes | Q and RAluminum |
Rims manufacturer | 36-holeWeinmann 519 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeStainless Steel |
Frame and Body Specs
Frame materials | Chromoly |
Frame type | TIG-welded |
Handlebar construction | Flat |
Handlebar extender | Optional |
Handlebar stem details | GT Hi-rise |
Headset size | 1 1/8 (inches) Sealed |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Shimano CN-UG50 |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | Shimano BB-LP27 |
Crankset parts and sizes | 24/34/46 TeethSR and Suntour XR25 |
Gear shift levers | Shimano Alivio RapidFire Plus |
Rear gear set | 11 - 28 Teeth7-speed |
GT Aggressor Fork System Data
Derailleur (Front) | Shimano Altus Top-swing |
Derailleur (Rear) | Shimano Alivio |
Fork material | Triple-clamp CrownChromoly |
Fork type | RST 261 |
Other Specs of GT Aggressor
Component group sets | Mountain Mix |
Pedals details | Resin |
Rear shock absorber | Not Available |
Saddle seat | GT |
Seat post extension | 26.8 (millimeters) DiameterAluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper A1 FS Comp bike manual
- Find All parts, tires and accessories of Specialized Rockhopper A1 FS Comp Mountain bike here
- Get your GT Aggressor manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Aggressor Mountain bike here