Rocky Mountain GRIND 20 2007 VS Gary Fisher MT. JAM 2000 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 |
Gary Fisher Mt. Jam
General Infos| Model | Mt. Jam |
| Manufacturer | Gary Fisher |
| Year of production | 2000 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | Rear: 24 X 1.95 (inches) Bontrager Revolt ST-2 Front: 24 X 2.125 (inches) Bontrager Revolt ST-2 |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Chang Star Linear-pull Levers Chang Star Linear-pull Brakes |
| Hubs for disc brakes | Nutted Aluminum |
| Rims manufacturer | 32-hole Alloy |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge UCP |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Fisher |
| Handlebar extender | Optional |
| Handlebar stem details | Fisher |
| Headset size | 1 1/8 (inches) Steel With Water Seal |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Three Piece |
| Crankset parts and sizes | 24/34/42 Teeth Sakae XR-17 |
| Gear shift levers | SunRace Twist Shift |
| Rear gear set | 13 - 28 Teeth 7-speed |
Gary Fisher Mt. Jam Fork System Data
| Derailleur (Front) | Shimano Altus |
| Derailleur (Rear) | Shimano Tourney |
| Fork material | Triple-clamp Crown Aluminum |
| Fork type | 2.0 (inches) Travel Sync |
Other Specs of Gary Fisher Mt. Jam
| Component group sets | Mountain Mix |
| Pedals details | Wellgo Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Fisher Padded |
| Seat post extension | Steel |
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 Gary Fisher Mt. Jam manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Gary Fisher Mt. Jam Youth here