Diamondback RM 20 2011 VS Specialized HARDROCK MEGA 1993 specs comparison
Diamondback RM 20
General Infos| Model | RM 20 |
| Manufacturer | Diamondback |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss black |
| Sizes |
- 20 Jr. Sidewalk (inches) |
| Sizes |
- 20 Jr. Sidewalk (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.125 (inches) Comp III Style |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Alloy Linear Levers Alloy Linear Brakes |
| Hubs for disc brakes | Nutted |
| Rims manufacturer | 36-hole R-1000 Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | Hi-Ten Remington Steel |
| Frame type | Steel |
| Handlebar construction | Hi-Ten 2-piece |
| Handlebar extender | Optional |
| Handlebar stem details | Steel Quill With Alloy Cap |
| Headset size | 1 (inches) Threaded |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 36T Teeth 1-piece |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Diamondback RM 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Steel |
| Fork type | Hi-Ten Remington |
Other Specs of Diamondback RM 20
| Component group sets | Juvenile Mix |
| Pedals details | Resin Platform |
| Rear shock absorber | Not Available |
| Saddle seat | DB BMX Padded |
| Seat post extension | 25.4 (millimeters) Diameter Steel Pillar |
Specialized Hardrock Mega
General Infos| Model | Hardrock Mega |
| Manufacturer | Specialized |
| Year of production | 1993 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- 11 |
Wheels And Breaking System
| Bike front tire | Specialized |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Levers Cantilever With Mega Levers Brakes |
| Hubs for disc brakes | Steel |
| Rims manufacturer | Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | High-tensile Steel Mega |
| Frame type | TIG-welded Steel |
| Handlebar construction | Flat Micro Fit |
| Handlebar extender | Not Available |
| Handlebar stem details | TIG 40-degree |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 44 Teeth One-piece Crank With Double Chainguard |
| Gear shift levers | Shimano 70GS |
| Rear gear set | 14 - 28 Teeth 6-speed |
Specialized Hardrock Mega Fork System Data
| Derailleur (Front) | Shimano 70GS |
| Derailleur (Rear) | Shimano 70GS |
| Fork material | Not Available |
| Fork type | High-tensile Steel |
Other Specs of Specialized Hardrock Mega
| Component group sets | Shimano 70GS |
| Pedals details | HTI P42 |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Mega Supersoft |
| Seat post extension | Serrated |
Useful links and guides ....
- To know more about this exacte bike, Diamondback provided us with the latest version of its RM 20 bike manual
- Find All parts, tires and accessories of Diamondback RM 20 Youth here
- Get your Specialized Hardrock Mega manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hardrock Mega Youth here