Univega JAMMER 1998 VS Specialized HOTROCK 20 6-SPEED BOYS 2012 specs comparison
![Univega Jammer 1998 comparison online with competitors](https://yobicycle.com/images/models/Univega-Jammer-1998-specs.jpg)
Univega Jammer
General InfosModel | Jammer |
Manufacturer | Univega |
Year of production | 1998 |
Current price | Check price Here ==> |
Color choice |
- Sapphire Blue -Freckle Black |
Sizes |
- Boys 11 (inches) - girls 11 (inches) |
Sizes |
- Boys 11 (inches) - girls 11 (inches) |
Wheels And Breaking System
Bike front tire | 20 X 2.00 (inches) Multi-terrain |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Resin and aluminum Levers Aluminum Cantilever Brakes |
Hubs for disc brakes | Nutted Steel |
Rims manufacturer | 36-hole Weinmann 519 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge Chung Nan Steel |
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 | American 24tpi |
Bottom bracket type | One Piece |
Crankset parts and sizes | 40 Teeth 1-piece 5 1/2 (inches) |
Gear shift levers | Grip Shift MRX-170 Rear |
Rear gear set | 14 - 28 Teeth 6-speed |
Univega Jammer Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Shimano Tourney TY-22 |
Fork material | Unicrown Crown Hi-tensile Steel |
Fork type | Univega Jr. ATB |
Other Specs of Univega Jammer
Component group sets | Shimano Tourney |
Pedals details | Resin |
Rear shock absorber | Not Available |
Saddle seat | Padded Vinyl |
Seat post extension | 25.4 (millimeters) Diameter Steel Pillar |
![Specialized Hotrock 20 6-speed Boys 2012 comparison online with competitors](https://yobicycle.com/images/models/Specialized-Hotrock-20-6-speed-Boys-2012-specs.jpg)
Specialized Hotrock 20 6-speed Boys
General InfosModel | Hotrock 20 6-speed Boys |
Manufacturer | Specialized |
Year of production | 2012 |
Current price | Check price Here ==> |
Color choice |
- Red -Green |
Sizes |
- Not available |
Wheels And Breaking System
Bike front tire | Rhythm Lite Sport 20 X 2 (inches) |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | Die Cast Alloy Linear Pull |
Hubs for disc brakes | Unavailable Front Hub Unavailable Rear Hub |
Rims manufacturer | Alex C-1000 20 (inches) |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | A1 Premium Aluminum |
Frame type | Not Available |
Handlebar construction | Hi-Ten Riser |
Handlebar extender | Not Available |
Handlebar stem details | Ahead 25.4 |
Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | KMC Z-50 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Water Sealed Loose-ball |
Crankset parts and sizes | Forged Alloy |
Gear shift levers | Shimano RS-31 Revo Twist 6spd |
Rear gear set | Not Available |
Specialized Hotrock 20 6-speed Boys Fork System Data
Derailleur (Front) | Unavailable Front Derailleur |
Derailleur (Rear) | Shimano FT-30 |
Fork material | Not Available |
Fork type | SR Suntour SF11-XCT-JR-20 |
Other Specs of Specialized Hotrock 20 6-speed Boys
Component group sets | Not Available |
Pedals details | Compostie |
Rear shock absorber | Unavailable Rear Shock |
Saddle seat | Specialized Kids Body Geometry |
Seat post extension | Alloy 27.2 |
Useful links and guides ....
- To know more about this exacte bike, Univega provided us with the latest version of its Jammer bike manual
- Find All parts, tires and accessories of Univega Jammer Youth here
- Get your Specialized Hotrock 20 6-speed Boys manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hotrock 20 6-speed Boys Youth here