Specialized HOTROCK 20 BOYS COASTER 2007 VS Trek PRECALIBER 24 21-SPEED 2016 specs comparison
Specialized Hotrock 20 Boys Coaster
General Infos| Model | Hotrock 20 Boys Coaster |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Yellow and Black -Silver and Black |
| Sizes |
- Standard size for everyone |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 20 X 2.125 (inches) Specialized Roller |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro Jr. Levers Coaster Rear Brakes |
| Hubs for disc brakes | Joy Tech Steel Nutted |
| Rims manufacturer | 36-hole Alloy Single Wall |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight Gauge UCP |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Hi-Ten 2pc |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy A-Head |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 36 Teeth Heat Treated Hi-Ten |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
Specialized Hotrock 20 Boys Coaster Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Steel |
| Fork type | Specialized |
Other Specs of Specialized Hotrock 20 Boys Coaster
| Component group sets | Juvenile Mix |
| Pedals details | Composite Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Hotrock Jumping |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Trek PreCaliber 24 21-speed
General Infos| Model | PreCaliber 24 21-speed |
| Manufacturer | Trek |
| Year of production | 2016 |
| Current price | Check price Here ==> |
| Color choice |
- Black Trek Pearl - Purple Lotus - Trek Matte Black -Viper Red |
| Sizes |
- 24 Dialed frame size (inches) |
Wheels And Breaking System
| Bike front tire | 24x1.85 (inches) Bontrager XR1 |
| Bike rear tire | Not Available |
| Bike wheel size | 24 |
| Brakeset type | Dialed Alloy Levers Alloy Linear-pull |
| Hubs for disc brakes | Alloy |
| Rims manufacturer | Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Aluminum |
| Frame type | Alpha Silver Aluminum 24 (inches) Dialed Frame Size |
| Handlebar construction | 25.4 (millimeters) 25 (millimeters) Rise Bontrager Alloy |
| Handlebar extender | Not Available |
| Handlebar stem details | 25 Degree 25.4 (millimeters) Bontrager Quill |
| Headset size | Adjustable Ball Bearing |
Gearing Specifications
| Bicycle chain | KMC HV500 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 42/34/24 Dialed Adjustable Length 127 (millimeters) - 152 (millimeters) |
| Gear shift levers | 7 Speed Twist Shimano Tourney |
| Rear gear set | 14-28 7 Speed Sun Run Freewheel |
Trek PreCaliber 24 21-speed Fork System Data
| Derailleur (Front) | Shimano |
| Derailleur (Rear) | Shimano Tourney TX35 |
| Fork material | Suspension |
| Fork type | 45 (millimeters) Travel Dialed Suspension |
Other Specs of Trek PreCaliber 24 21-speed
| Component group sets | Youth Mix |
| Pedals details | Not Available |
| Rear shock absorber | Not Available |
| Saddle seat | Padded Dialed 24 (inches) Size |
| Seat post extension | 27.2 (millimeters) Steel |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 Boys Coaster bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Boys Coaster Youth here
- Get your Trek PreCaliber 24 21-speed manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek PreCaliber 24 21-speed Youth here