Jamis X-20 2010 VS Kona STUFF JR. 2004 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 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 | 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) Spindle Cotterless Type 3PB Axle |
| Crankset parts and sizes | 36 Teeth Forged Alloy With Chainguard |
| Gear shift levers | Shimano RevoShift SL-RS35 |
| Rear gear set | 14 - 28 Teeth 6-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) Travel 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 |
Kona Stuff Jr.
General Infos| Model | Stuff Jr. |
| Manufacturer | Kona |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Orange |
| Sizes |
- Boys 13 (inches) |
Wheels And Breaking System
| Bike front tire | 24 X 1.90 (inches) Cheng Shin |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Avid Levers Shimano Mechanical Disc Brakes |
| Hubs for disc brakes | Rear: Shimano FH-M475 Disc Front: Shimano HB-M475 Disc |
| Rims manufacturer | 32-hole Sun Rims Ditch Witch |
| 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 | Kona DH Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Kona Clump |
| Headset size | 1 1/8 (inches) Threadless FSA |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG31 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | TruVativ ISIS Drive Hussefelt |
| Crankset parts and sizes | 22/32 Teeth TruVativ Hussefelt DH |
| Gear shift levers | Shimano Alivio RapidFire |
| Rear gear set | 11 - 32 Teeth 8-speed |
Kona Stuff Jr. Fork System Data
| Derailleur (Front) | Top-pull and clamp-on Shimano Alivio |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Single Crown Aluminum and magnesium |
| Fork type | Marzocchi MZ Race |
Other Specs of Kona Stuff Jr.
| Component group sets | Mountain Mix |
| Pedals details | Kona JackShit Jr |
| Rear shock absorber | Not Available |
| Saddle seat | Kona DJ |
| Seat post extension | Kona Double Thumb |
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 Kona Stuff Jr. manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Kona Stuff Jr. Youth here
