Jamis X.20 2011 VS Rocky Mountain GRIND 20 2007 specs comparison
![Jamis X.20 2011 comparison online with competitors](https://yobicycle.com/images/models/Jamis-X.20-2011-specs.jpg)
Jamis X.20
General InfosModel | X.20 |
Manufacturer | Jamis |
Year of production | 2011 |
Current price | Check price Here ==> |
Color choice |
- monterey red and pearl white -Gloss black and stainless |
Sizes |
- 10 (inches) |
Sizes |
- 10 (inches) |
Wheels And Breaking System
Bike front tire | 20 X 1.95 (inches) CST ATB |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Alloy Short Reach Levers Alloy Linear Pull Brakes |
Hubs for disc brakes | Heavy Duty ATB With Nutted Axles |
Rims manufacturer | 36-hole Alloy |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Nickel-plated |
Frame and Body Specs
Frame materials | 6061 aluminum c |
Frame type | Aluminum |
Handlebar construction | ATB Alloy Riser |
Handlebar extender | Optional |
Handlebar stem details | Jamis Threadless |
Headset size | 1 1/8 (inches) Aheadset |
Gearing Specifications
Bicycle chain | KMC Z30 |
Bottom bracket shell width | 68 (millimeters) |
Bottom bracket type | 119 (millimeters) Spindle Cotterless Type 3B Axle |
Crankset parts and sizes | 36T Teeth Forged Alloy |
Gear shift levers | Shimano RevoShift |
Rear gear set | 14 - 28 Teeth 7-speed |
Jamis X.20 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Shimano TX-31 |
Fork material | Not Available |
Fork type | 40 (millimeters) Travel Smash Suspension |
Other Specs of Jamis X.20
Component group sets | Mountain Mix |
Pedals details | ATB Style |
Rear shock absorber | Not Available |
Saddle seat | XC ATB |
Seat post extension | 27.2 (millimeters) Diameter Alloy Pillar |
![Rocky Mountain Grind 20 2007 comparison online with competitors](https://yobicycle.com/images/models/Rocky-Mountain-Grind-20-2007-specs.jpg)
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) |
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 |
Useful links and guides ....
- To know more about this exacte bike, Jamis provided us with the latest version of its X.20 bike manual
- Find All parts, tires and accessories of Jamis X.20 Youth here
- Get your Rocky Mountain Grind 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Rocky Mountain Grind 20 Youth here