Specialized ROCKHOPPER A1 1997 VS Schwinn SIERRA GS 1998 specs comparison
Specialized Rockhopper A1
General Infos| Model | Rockhopper A1 |
| Manufacturer | Specialized |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
- red -Blue |
| Sizes |
- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches) |
| Sizes |
- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 1.90 (inches) Specialized Team Master Front: 26 X 2.00 (inches) Specialized Team Control |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Dia-Compe DP-7 Levers Dia-Compe Direct Pull Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano Cassette Front: SBC Aluminum Quick Release |
| Rims manufacturer | 32-hole Ritchey Rock SCX |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | SBC A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | SBC Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | SBC Aluminum |
| Headset size | 1 1/8 (inches) Threadless Tange |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | SBC Sealed Cartridge |
| Crankset parts and sizes | 22/32/42 Teeth SBC Son Of Strongarm |
| Gear shift levers | Grip Shift SRT-400i |
| Rear gear set | 11 - 30 Teeth 7-speed |
Specialized Rockhopper A1 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 35.0 (millimeters) Shimano Alivio Top-swing |
| Derailleur (Rear) | Shimano STX |
| Fork material | Unicrown Crown SBC DirectDrive Chromoly |
| Fork type | SBC |
Other Specs of Specialized Rockhopper A1
| Component group sets | Not Available |
| Pedals details | Resin Body With Clips & Straps Aluminum Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Prolong Evolution Carbotech |
| Seat post extension | 30.9 (millimeters) Diameter Aluminum Micro-adjust |
Schwinn Sierra GS
General Infos| Model | Sierra GS |
| Manufacturer | Schwinn |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
- Dark Blue - Red and Red Fade -Burnt Orange |
| Sizes |
- Large - medium - small - womens medium - womens small - womens xsmall - xsmall |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Multi-terrain |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro Levers Shimano Altus Brakes |
| Hubs for disc brakes | Rear: Shimano Altus Front: Formula Aluminum |
| Rims manufacturer | 36-hole Aluminum |
| Spoke nipples type | Not Available |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly Main Triangle and hi-tensile Steel Rear Stays |
| Frame type | TIG-welded |
| Handlebar construction | 1 (inches) Rise Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Girvin Flexstem |
| Headset size | 1 1/8 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/34/42 Teeth Shimano AceraX |
| Gear shift levers | Grip Shift ESP 500 |
| Rear gear set | 11 - 28 Teeth 7-speed |
Schwinn Sierra GS Fork System Data
| Derailleur (Front) | Shimano AceraX Top-swing |
| Derailleur (Rear) | Grip Shift ESP 5.0 |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Schwinn |
Other Specs of Schwinn Sierra GS
| Component group sets | Mountain Mix |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Spring Type |
| Seat post extension | Suspension |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper A1 bike manual
- Find All parts, tires and accessories of Specialized Rockhopper A1 Mountain bike here
- Get your Schwinn Sierra GS manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Schwinn Sierra GS Mountain bike here