Trek 820 1995 VS Specialized ROCKHOPPER A1 1997 specs comparison
Trek 820
General Infos| Model | 820 |
| Manufacturer | Trek |
| Year of production | 1995 |
| Current price | Check price Here ==> |
| Color choice |
- sage green -Ice teal and indigo fade |
| Sizes |
- 14.5 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches) - womens 17 (inches) - womens 20 (inches) |
| Sizes |
- 14.5 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches) - womens 17 (inches) - womens 20 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Trek Connection |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Chang Star 274A Levers Shimano Altus C90 Brakes |
| Hubs for disc brakes | Shimano AceraX |
| Rims manufacturer | 36-hole Weinmann 4019 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Chromoly Main Triangle and Hi-tensile Steel Rear Stays |
| Frame type | TIG-welded Steel |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) HPO1H |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC HP-70S |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/32/38 Teeth Shimano Altus C90 |
| Gear shift levers | Grip Shift MRX-100 |
| Rear gear set | 11 - 28 Teeth 7-speed |
Trek 820 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 28.6 (millimeters) Shimano Altus C90 |
| Derailleur (Rear) | Shimano AceraX |
| Fork material | Forged Dropouts Unicrown Crown Chromoly |
| Fork type | Not Available |
Other Specs of Trek 820
| Component group sets | Shimano Altus C90 |
| Pedals details | Wellgo LU-945 With Clips & Straps |
| Rear shock absorber | Not Available |
| Saddle seat | Trek HiDensity Foam |
| Seat post extension | 26.6 (millimeters) Diameter Kalloy SP-242 |
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) |
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 |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its 820 bike manual
- Find All parts, tires and accessories of Trek 820 Mountain bike here
- Get your Specialized Rockhopper A1 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Rockhopper A1 Mountain bike here