Rocky Mountain GRIND 20 2007 VS Specialized HOTROCK 20 BOYS 2007 specs comparison

Rocky Mountain Grind 20
General InfosModel | Grind 20 |
Manufacturer | Rocky Mountain |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice |
-Black and Red |
Sizes |
- Boys 12 (inches) |
Sizes |
- Boys 12 (inches) |
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 | Tektro TS325 Levers Tektro J310 Brakes |
Hubs for disc brakes | Alloy QR |
Rims manufacturer | Alex Y-2000 |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Black |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | RMB XC |
Handlebar extender | Not Available |
Handlebar stem details | RMB XC |
Headset size | FSA |
Gearing Specifications
Bicycle chain | KMC Z50 |
Bottom bracket shell width | Not Available |
Bottom bracket type | FSA Sealed |
Crankset parts and sizes | 36 Teeth Alloy |
Gear shift levers | Shimano Revo 6-speed |
Rear gear set | 6-speed |
Rocky Mountain Grind 20 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Shimano FT-30 Super Short Cage |
Fork material | Single Crown Aluminum and steel |
Fork type | 50 (millimeters) Travel RST 200K |
Other Specs of Rocky Mountain Grind 20
Component group sets | Shimano Mix |
Pedals details | Big Flats |
Rear shock absorber | Not Available |
Saddle seat | RMB Velo |
Seat post extension | RMB |

Specialized Hotrock 20 Boys
General InfosModel | 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 |
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 |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its Grind 20 bike manual
- Find All parts, tires and accessories of Rocky Mountain Grind 20 Youth here
- Get your Specialized Hotrock 20 Boys manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hotrock 20 Boys Youth here