Schwinn JACK 2011 VS Specialized HOTROCK 20 1998 specs comparison

Schwinn Jack

General Infos

Model	Jack
Manufacturer	Schwinn
Year of production	2011
Current price	Check price Here ==>
Color choice	-Steel
Sizes	- 12
Sizes	- 12

Wheels And Breaking System

Bike front tire	12 X 2.125 (inches) Knobby
Bike rear tire	Not Available
Bike wheel size	12 (inches) Wheels
Brakeset type	Unavailable Front and coast Brake Rear
Hubs for disc brakes	Steel
Rims manufacturer	Steel
Spoke nipples type	Not Available
Spoke wheel	14ga. Steel

Frame and Body Specs

Frame materials	Steel
Frame type	Steel
Handlebar construction	BMX Style
Handlebar extender	Optional
Handlebar stem details	Quill
Headset size	1 (inches) Threaded

Gearing Specifications

Bicycle chain	ZMC-C410
Bottom bracket shell width	Not Available
Bottom bracket type	Ball Bearing
Crankset parts and sizes	One-piece Steel
Gear shift levers	Not Available
Rear gear set	Not Available

Schwinn Jack Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Not Available
Fork type	Not Available

Other Specs of Schwinn Jack

Component group sets	Juvenile Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Padded
Seat post extension	Atteched To Saddle

Specialized Hotrock 20

General Infos

Model	Hotrock 20
Manufacturer	Specialized
Year of production	1998
Current price	Check price Here ==>
Color choice	- magenta pearl - mirror blue -Black
Sizes	- Boys - girls

Wheels And Breaking System

Bike front tire	20 X 1.80 (inches) Specialized Dirt Control
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Aluminum Levers Linear-pull Brakes
Hubs for disc brakes	Nutted Steel
Rims manufacturer	36-hole Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	Chromoly Main Triangle and hi-tensile Steel Rear Stays
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Optional
Handlebar stem details	Hi-tensile Steel
Headset size	1 (inches) Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) UG
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Not Available
Crankset parts and sizes	40 Teeth 1-piece Steel
Gear shift levers	Grip Shift MRX-170
Rear gear set	14 - 28 Teeth 6-speed

Specialized Hotrock 20 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Tourney TY-22
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Specialized Big Fork

Other Specs of Specialized Hotrock 20

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Specialized Mini Mountain
Seat post extension	30.4 (millimeters) Diameter Aluminum Pillar