Specialized HOTROCK 20 BOYS 2007 VS Scott SCALE JR 20 2009 specs comparison
Specialized Hotrock 20 Boys
General Infos| Model | Hotrock 20 Boys |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Orange and Black -Blue and Black |
| Sizes |
- Standard size for everyone |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 16 X 2.125 (inches) Specialized Roller |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Tektro Jr. Levers Tektro V-brake Brakes |
| Hubs for disc brakes | Rear: Forged Alloy Front: Alloy Nutted |
| Rims manufacturer | 36-hole Alex C-1000 Alloy Single Wall |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Hi-Ten |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy A-Head |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | Shimano HG-40 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 128 (millimeters) Spindle VP Loose Ball |
| Crankset parts and sizes | 36 Teeth Sugino |
| Gear shift levers | Shimano RS-31 Revo Twist |
| Rear gear set | 14 - 28 Teeth 6-speed |
Specialized Hotrock 20 Boys Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano TY |
| Fork material | Single Crown Steel and aluminum |
| Fork type | 50 (millimeters) RST 200K |
Other Specs of Specialized Hotrock 20 Boys
| Component group sets | Juvenile Mix |
| Pedals details | Composite Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Hotrock Jumping |
| Seat post extension | 27.2 (millimeters) Diameter Alloy Micro Adjust |
Scott Scale JR 20
General Infos| Model | Scale JR 20 |
| Manufacturer | Scott |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-White and Red |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 2.20 (inches) K-829 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 324A-TS Levers Lee Chi 209 P Brakes |
| Hubs for disc brakes | Formula FM-11 |
| Rims manufacturer | 32-hole Jalco VP-20 |
| Spoke nipples type | Not Available |
| Spoke wheel | UCP |
Frame and Body Specs
| Frame materials | 6061 Alloy c |
| Frame type | TIG-welded |
| Handlebar construction | Junior Flat Bar |
| Handlebar extender | Optional |
| Handlebar stem details | HL-TDS-C41-8 |
| Headset size | 1 1/8 (inches) Threadless VP-A71 |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TH M1 |
| Crankset parts and sizes | 34/42 Teeth Lasco Double |
| Gear shift levers | Shimano Revo |
| Rear gear set | 14 - 28 Teeth 6-speed |
Scott Scale JR 20 Fork System Data
| Derailleur (Front) | Shimano TY-22 |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Not Available |
| Fork type | 50 (millimeters) Travel RST K20 |
Other Specs of Scott Scale JR 20
| Component group sets | Mountain Mix |
| Pedals details | VP 570 BMX-type |
| Rear shock absorber | Not Available |
| Saddle seat | Junior Racing |
| Seat post extension | 26.8 (millimeters) Diameter Scott SP-214 |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 Boys bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Boys Youth here
- Get your Scott Scale JR 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Scott Scale JR 20 Youth here
