Trek JET 20 S 2010 VS Specialized HOTROCK 20 COASTER GIRLS 2012 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 Hotrock 20 Coaster Girls

General Infos

Model	Hotrock 20 Coaster Girls
Manufacturer	Specialized
Year of production	2012
Current price	Check price Here ==>
Color choice	- Pink - Purple -Blue
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	Linea Pull Coaste
Hubs for disc brakes	Unavailable Front Hub Unavailable Rear Hub
Rims manufacturer	Alloy 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	Steel 2pc
Handlebar extender	Not Available
Handlebar stem details	Alloy Ahead
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z-410
Bottom bracket shell width	Not Available
Bottom bracket type	1pc Loose Ball
Crankset parts and sizes	Heat Treated Hi-Ten 1pc
Gear shift levers	Unavailable Shifters
Rear gear set	Not Available

Specialized Hotrock 20 Coaster Girls Fork System Data

Derailleur (Front)	Unavailable Front Derailleur
Derailleur (Rear)	Unavailable Rear Derailleur
Fork material	Not Available
Fork type	Hi-Ten

Other Specs of Specialized Hotrock 20 Coaster Girls

Component group sets	Not Available
Pedals details	Compostie
Rear shock absorber	Unavailable Rear Shock
Saddle seat	Specialized Kids
Seat post extension	Steel 25.4 (millimeters)