Trek JET 20 S 2010 VS Specialized HARDROCK 20 1996 specs comparison
Trek Jet 20 S
General Infos| Model | Jet 20 S |
| Manufacturer | Trek |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
-Metallic Black and Metallic Blue |
| Sizes |
- Boy's 6-9 yrs old |
| Sizes |
- Boy's 6-9 yrs old |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 Cross Knobby |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Rear: Coaster Brake Front: Steel |
| Rims manufacturer | 36-hole Aluminum |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | High Tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy and Steel 4-bolt |
| Headset size | Adjustable Ball Bearing |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 32 Teeth Dialed 4.5 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 19 Teeth 1-speed |
Trek Jet 20 S Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown High Tensile Steel |
| Fork type | Trek |
Other Specs of Trek Jet 20 S
| Component group sets | Juvenile Mix |
| Pedals details | Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Dialed 20 (inches) |
| Seat post extension | Steel |
Specialized Hardrock 20
General Infos| Model | Hardrock 20 |
| Manufacturer | Specialized |
| Year of production | 1996 |
| Current price | Check price Here ==> |
| Color choice |
- lilac -Black cherry |
| Sizes |
- Boys 12 (inches) - girls 12 (inches) |
Wheels And Breaking System
| Bike front tire | 24 X 1.80 (inches) Specialized Ground Control II |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Dia-Compe PC-1 Jr. Levers Chang Star 852AT Cantilever Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | 36-hole Alloy |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded Steel |
| Handlebar construction | Hsin Lung MTB 110 |
| Handlebar extender | Not Available |
| Handlebar stem details | Hsin Lung Steel |
| Headset size | 1 (inches) YST Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC UG-50 |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | YST |
| Crankset parts and sizes | 36 Teeth 1-piece 5 1/2 (inches) |
| Gear shift levers | Grip Shift Quickshift |
| Rear gear set | 14 - 28 Teeth 6-speed |
Specialized Hardrock 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Specialized |
Other Specs of Specialized Hardrock 20
| Component group sets | Shimano Tourney TY-22 |
| Pedals details | Victor VP-260N |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Juvenile |
| Seat post extension | 26.0 (millimeters) Diameter Steel |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its Jet 20 S bike manual
- Find All parts, tires and accessories of Trek Jet 20 S Youth here
- Get your Specialized Hardrock 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hardrock 20 Youth here