Univega JAMMER 1998 VS Specialized HOTROCK A1 FSR 24 21-SPEED 2005 specs comparison
Univega Jammer
General Infos| Model | 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 A1 FSR 24 21-Speed
General Infos| Model | Hotrock A1 FSR 24 21-Speed |
| Manufacturer | Specialized |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
- White and Red -Red |
| Sizes |
- Not available |
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 Junior Levers Tektro Linear-pull Brakes |
| Hubs for disc brakes | QR Aluminum |
| Rims manufacturer | 32-hole Alex Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano IG |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 113 (millimeters) Spindle TruVativ |
| Crankset parts and sizes | 22/32/42 Teeth TruVativ Isoflow |
| Gear shift levers | Shimano RS-41 Revo |
| Rear gear set | 14 - 28 Teeth 7-speed |
Specialized Hotrock A1 FSR 24 21-Speed Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Acera |
| Derailleur (Rear) | Shimano Altus |
| Fork material | Single Crown Aluminum |
| Fork type | 51 (millimeters) RST Capa T5 |
Other Specs of Specialized Hotrock A1 FSR 24 21-Speed
| Component group sets | Juvenile Mix |
| Pedals details | Resin Body |
| Rear shock absorber | 75 (millimeters) ToughShock Coil-over |
| Saddle seat | Specialized Mini Mountain |
| Seat post extension | 27.2 (millimeters) Diameter Aluminum Micro-adjust |
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 A1 FSR 24 21-Speed manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hotrock A1 FSR 24 21-Speed Youth here
