K2 Z-20 SIDEWALK 2005 VS Specialized HOTROCK 12 BOYS 2010 specs comparison
K2 Z-20 Sidewalk
General Infos| Model | Z-20 Sidewalk |
| Manufacturer | K2 |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
-Blue |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Kenda |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Aluminum Rear Levers Coaster and linear Pull Rear Brakes |
| Hubs for disc brakes | Rear: Steel Coaster Brake Front: Steel |
| Rims manufacturer | 36-hole Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge UCP |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Not Available |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Threaded Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 36 Teeth 1-piece Steel |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
K2 Z-20 Sidewalk Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown High-tensile Steel |
| Fork type | K2 |
Other Specs of K2 Z-20 Sidewalk
| Component group sets | Not Available |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Juvenile |
| Seat post extension | Steel |
Specialized Hotrock 12 Boys
General Infos| Model | Hotrock 12 Boys |
| Manufacturer | Specialized |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
- Gloss Green -Gloss Red |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 12 X 2.125 (inches) Specialized |
| Bike rear tire | Not Available |
| Bike wheel size | 12 (inches) Wheels |
| Brakeset type | Coaster Rear |
| Hubs for disc brakes | Rear: Joy Tech Coaster Front: Joy Tech Steel |
| Rims manufacturer | 16-hole Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy 2pc |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | 1 (inches) Threaded |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 28 Teeth Heat Treated Hi-Ten |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
Specialized Hotrock 12 Boys Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown A1 Premium Aluminum and Hi-Ten |
| Fork type | Not Available |
Other Specs of Specialized Hotrock 12 Boys
| Component group sets | Juvenile Mix |
| Pedals details | Composite |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Kid's |
| Seat post extension | 22.2 (millimeters) Diameter Steel |
Useful links and guides ....
- To know more about this exacte bike, K2 provided us with the latest version of its Z-20 Sidewalk bike manual
- Find All parts, tires and accessories of K2 Z-20 Sidewalk Youth here
- Get your Specialized Hotrock 12 Boys manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hotrock 12 Boys Youth here