Rocky Mountain GRIND 20 2007 VS Kona MAKENA 2005 specs comparison
Rocky Mountain Grind 20
General Infos| Model | 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 |
Kona Makena
General Infos| Model | Makena |
| Manufacturer | Kona |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
-Blue |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Cheng Shin |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | APSE Levers APSE Brakes |
| Hubs for disc brakes | JT |
| Rims manufacturer | 28-hole Alex Y-2000 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | 1 (inches) Rise Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Kona Control |
| Headset size | 1 (inches) Threaded VP-501 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Chin Haur CH-32 |
| Crankset parts and sizes | 40 Teeth ProWheel RS116 |
| Gear shift levers | Shimano SL-RS-31-6 Revo |
| Rear gear set | 14 - 28 Teeth 6-speed |
Kona Makena Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano RD-FT-30 SS |
| Fork material | Single Crown Aluminum |
| Fork type | 30 (millimeters) Travel SR Suntour M-5000 |
Other Specs of Kona Makena
| Component group sets | Juvenile Mix |
| Pedals details | VP Jr. |
| Rear shock absorber | Not Available |
| Saddle seat | Velo Jr. |
| Seat post extension | MSP |
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 Kona Makena manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Kona Makena Youth here