Gary Fisher MT. JAM 1997 VS Specialized HOTROCK 20 BOYS 2007 specs comparison
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➜ Gary Fisher Mt. Jam price
➜ Specialized Hotrock 20 Boys price
Gary Fisher Mt. Jam
General Infos| Model | Mt. Jam |
| Manufacturer | Gary Fisher |
| Year of production | 1997 |
| Current price | 🛒 View Price → |
| Color choice | -Chrome-plated |
| Sizes | - Boys 11.5 (inches) |
| Sizes | - Boys 11.5 (inches) |
Wheels And Breaking System
| Bike front tire | 24 X 1.95 (inches) Kenda |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Aluminum LeversAluminum Cantilever Brakes |
| Hubs for disc brakes | Aluminum Nutted |
| Rims manufacturer | 36-holeWeinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Straight GaugeSteel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)KMC UG-50 |
| Bottom bracket shell width | 73 (millimeters) English |
| Bottom bracket type | YST BB 613 |
| Crankset parts and sizes | 28/38/48 TeethSR |
| Gear shift levers | Grip Shift MRX-160 |
| Rear gear set | 14 - 28 Teeth6-speed |
Gary Fisher Mt. Jam Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 28.6 (millimeters)Shimano Tourney TY-22 Top-swing |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Triple-clamp CrownAluminum and chromoly |
| Fork type | RST 161 |
Other Specs of Gary Fisher Mt. Jam
| Component group sets | Not Available |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Fisher Supersoft |
| Seat post extension | 26.6 (millimeters) Diameter SteelPillar |
Specialized Hotrock 20 Boys
General Infos| Model | Hotrock 20 Boys |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | 🛒 View Price → |
| Color choice | - Orange and Black-Blue and Black |
| Sizes | - Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 16 X 2.125 (inches) Specialized Roller |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Tektro Jr. LeversTektro V-brake Brakes |
| Hubs for disc brakes | Rear: Forged AlloyFront: Alloy Nutted |
| Rims manufacturer | 36-holeAlex C-1000 Alloy Single Wall |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Hi-Ten |
| 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 | 128 (millimeters) SpindleVP Loose Ball |
| Crankset parts and sizes | 36 TeethSugino |
| Gear shift levers | Shimano RS-31 Revo Twist |
| Rear gear set | 14 - 28 Teeth6-speed |
Specialized Hotrock 20 Boys Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano TY |
| Fork material | Single CrownSteel and aluminum |
| Fork type | 50 (millimeters)RST 200K |
Other Specs of Specialized Hotrock 20 Boys
| Component group sets | Juvenile Mix |
| Pedals details | Composite Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Hotrock Jumping |
| Seat post extension | 27.2 (millimeters) DiameterAlloy Micro Adjust |
Useful links and guides ....
- To know more about this exacte bike, Gary Fisher provided us with the latest version of its Mt. Jam bike manual
- Find All parts, tires and accessories of Gary Fisher Mt. Jam Youth here
- Get your Specialized Hotrock 20 Boys manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hotrock 20 Boys Youth here