Specialized HARDROCK 20 1997 VS Haro Z12 2012 specs comparison

Specialized Hardrock 20

General Infos

Model	Hardrock 20
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	- pink -Black
Sizes	- Boys - girls
Sizes	- Boys - girls

Wheels And Breaking System

Bike front tire	20 X 1.80 (inches) Specialized Ground Control
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe PC-1N Junior Levers Aluminum Cantilever 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	SBC DirectDrive
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Not Available
Handlebar stem details	Steel
Headset size	1 (inches)

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	American 24tpi
Bottom bracket type	One Piece
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 Hardrock 20 Fork System Data

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

Other Specs of Specialized Hardrock 20

Component group sets	Not Available
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	SBC Mini
Seat post extension	26.2 (millimeters) Diameter Steel Pillar

Haro Z12

General Infos

Model	Z12
Manufacturer	Haro
Year of production	2012
Current price	Check price Here ==>
Color choice	- Matte Black -Gloss Purple
Sizes	- 13.5 stand-over (inches)

Wheels And Breaking System

Bike front tire	Kenda Knobby 12 X 2.125
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Coaster
Hubs for disc brakes	Unavailable Front Hub Unavailable Rear Hub
Rims manufacturer	Alloy 12 (inches)
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Hi-Ten
Frame type	Not Available
Handlebar construction	Steel 5 (inches) Rise
Handlebar extender	Not Available
Handlebar stem details	Unavailable Stem
Headset size	1 (inches) Threaded

Gearing Specifications

Bicycle chain	Unavailable Chain
Bottom bracket shell width	Not Available
Bottom bracket type	Unavailable Bottom Bracket
Crankset parts and sizes	1pc 90 (millimeters)
Gear shift levers	Unavailable Shifters
Rear gear set	Not Available

Haro Z12 Fork System Data

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

Other Specs of Haro Z12

Component group sets	Not Available
Pedals details	Jr. Resin Body
Rear shock absorber	Unavailable Rear Shock
Saddle seat	Jr. Padded
Seat post extension	Metal