Jamis X-20 2010 VS Specialized HOTROCK A1 FS 2007 specs comparison
Jamis X-20
General Infos| Model | X-20 |
| Manufacturer | Jamis |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice | -Black and White |
| Sizes | - Boys 10 (inches) |
| Sizes | - Boys 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 LeversAlloy Linear Pull Brakes |
| Hubs for disc brakes | Heavy Duty ATB With Nutted Axles |
| Rims manufacturer | 36-holeAlloy |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Nickel-plated |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | ATB Tapered |
| Handlebar extender | Optional |
| Handlebar stem details | Jamis Threadless |
| Headset size | 1 1/8 (inches) Threadless Aheadset |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)KMC HP20 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 119 (millimeters) SpindleCotterless Type 3PB Axle |
| Crankset parts and sizes | 36 TeethForged Alloy With Chainguard |
| Gear shift levers | Shimano RevoShift SL-RS35 |
| Rear gear set | 14 - 28 Teeth6-speed |
Jamis X-20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano TX30 Short Cage |
| Fork material | Single Crown |
| Fork type | 40 (millimeters) TravelSuspension |
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) DiameterAlloy Pillar |
Specialized Hotrock A1 FS
General Infos| Model | Hotrock A1 FS |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice | -Black |
| Sizes | - Boys 13 (inches)- boys 11 (inches) |
Wheels And Breaking System
| Bike front tire | 24 X 1.80 (inches) Specialized Roll-X |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Tektro Jr. LeversTektro V-brake Brakes |
| Hubs for disc brakes | Alloy QR |
| Rims manufacturer | 32-holeSpecialized and Alex HRXC |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga. Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy Flat |
| 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 | 113 (millimeters) SpindleTruVativ Cartridge |
| Crankset parts and sizes | 22/32/42 TeethTruVativ ISO-Flow |
| Gear shift levers | Shimano RS-41 Revo Twist |
| Rear gear set | 14 - 28 Teeth7-speed |
Specialized Hotrock A1 FS Fork System Data
| Derailleur (Front) | Shimano Acera |
| Derailleur (Rear) | Shimano Altus |
| Fork material | Single CrownSteel and aluminum |
| Fork type | 50 (millimeters)RST Capa T7A |
Other Specs of Specialized Hotrock A1 FS
| Component group sets | Juvenile Mix |
| Pedals details | Composite BodySteel Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Body Geometry ATB Kid's |
| Seat post extension | 27.2 (millimeters) DiameterAlloy Micro Adjust |
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 Specialized Hotrock A1 FS manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hotrock A1 FS Youth here