Specialized Hardrock 20 1997 Technical specs and features
| Brand | Specialized |
| Model | Hardrock 20 |
| First production | 1997 |
| Bike category | Youth |
| Bike sub-category | Youth |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Specialized Hardrock 20 Parts |
| Available Sizes | - Boys - girls |
Wheels And Breaking System
| Bike front tire | 20 X 1.80 (inches) Specialized Ground Control |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (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 Specifications
| Frame materials | SBC DirectDrive |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Not Available |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) |
Gearing Specs
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | American 24tpi |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 40 Teeth 1-piece Steel |
| Gear shift levers | Grip Shift MRX-170 |
| Rear gear set | 14 - 28 Teeth 6-speed |
Specialized Hardrock 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | SBC |
Other Specs of Specialized Hardrock 20
| Component group sets | Not Available |
| Available colors | - Black - pink |
| Weight | Unspecified |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | SBC Mini |
| Seat post extension | 26.2 (millimeters) Diameter Steel Pillar |
Specialized Hardrock 20 picture
Hardrock 20 bike comparison
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Specialized Hardrock 20 bike review
Specialized produced the Hardrock 20 bike in 1997 and can be classified as a Youth bicycle, this exact model costs in american market arround $224.99.
Hardrock 20 bike is available in many sizes such as Boys and girls .
Specialized Youth Hardrock 20 can be found in a few colors, among these colors Black and pink .
This bike is equiped with 20 x 1.80" Specialized Ground Control tires and Steel spoke wheel while the rims are manufactured by Aluminum, 36-hole. Specialized equiped this exact model with Aluminum cantilever brakes, Dia-Compe PC-1N Junior levers braking system and Steel, nutted hubs.
To guarantee the comfiest ride Specialized used SBC DirectDrive material for the frame. Steel high strength material is used on the handlebar of this Hardrock 20 to ensure the perfect handling while the stems are made of Steel.
For the smoothest biking experience 1-piece steel, 40 teeth is used on this bicycle linked to 1/2 x 3/32" chain that is easily replaceable as stated by Specialized, the whole system is connected to a high reliability Grip Shift MRX-170 gear shift levers.