Specialized ROCKHOPPER 24 1997 VS Trek 820 COMFORT 1998 specs comparison
Specialized Rockhopper 24
General Infos| Model | Rockhopper 24 |
| Manufacturer | Specialized |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
- red -Lavender |
| Sizes |
- Boys - girls |
| Sizes |
- Boys - girls |
Wheels And Breaking System
| Bike front tire | 24 X 1.80 (inches) Specialized Ground Control |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Dia-Compe PC-1N Junior Levers Aluminum Cantilever Brakes |
| Hubs for disc brakes | Nutted Steel |
| Rims manufacturer | 36-hole Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | SBC DirectDrive |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 28/38/48 Teeth SR Aluminum |
| Gear shift levers | Grip Shift MRX-170 |
| Rear gear set | 14 - 28 Teeth 6-speed |
Specialized Rockhopper 24 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 28.6 (millimeters) Shimano Tourney TY-22 |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | SBC |
Other Specs of Specialized Rockhopper 24
| Component group sets | Not Available |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | SBC Mini |
| Seat post extension | Steel |
Trek 820 Comfort
General Infos| Model | 820 Comfort |
| Manufacturer | Trek |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Ice Green |
| Sizes |
- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.90 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Lee Chi LV77E Levers Lee Chi TX22 Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano Altus Front: Aluminum |
| Rims manufacturer | 32-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Girvin Flexstem |
| Headset size | 1 1/8 (inches) Victor VP-H97W Sealed |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Sachs PC-10 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 118 (millimeters) Spindle Shimano BB-CT91E |
| Crankset parts and sizes | 24/34/42 Teeth Shimano Altus |
| Gear shift levers | Grip Shift MRX-170 |
| Rear gear set | 11 - 28 Teeth 7-speed |
Trek 820 Comfort Fork System Data
| Derailleur (Front) | Top-pull Shimano Altus Top-swing |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Trek |
Other Specs of Trek 820 Comfort
| Component group sets | Mountain Mix |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Spring Type |
| Seat post extension | 27.2 (millimeters) Diameter SP57 Suspension Post |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper 24 bike manual
- Find All parts, tires and accessories of Specialized Rockhopper 24 Mountain bike here
- Get your Trek 820 Comfort manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 820 Comfort Mountain bike here