Specialized HOTROCK 20 BOYS 2002 VS Scorpio AT-J20 1999 specs comparison

Specialized Hotrock 20 Boys

General Infos

Model	Hotrock 20 Boys
Manufacturer	Specialized
Year of production	2002
Current price	Check price Here ==>
Color choice	- Yellow -Red
Sizes	- Boys 9 (inches)
Sizes	- Boys 9 (inches)

Wheels And Breaking System

Bike front tire	20 X 2.125 (inches) Specialized Roller
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Aluminum Linear-pull Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Nutted Aluminum
Rims manufacturer	36-hole Specialized Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Optional
Handlebar stem details	Specialized Steel
Headset size	1 1/8 (inches) Threadless Sealed Mechanism

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed
Crankset parts and sizes	40 Teeth Specialized Aluminum
Gear shift levers	SRAM MRX
Rear gear set	14 - 28 Teeth 6-speed

Specialized Hotrock 20 Boys 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 Hotrock 20 Boys

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Specialized Expert
Seat post extension	27.2 (millimeters) Diameter Aluminum

Scorpio AT-J20

General Infos

Model	AT-J20
Manufacturer	Scorpio
Year of production	1999
Current price	Check price Here ==>
Color choice	- Monarch Blue -Honey Dew
Sizes	- Boys 9.5 (inches) - girls 9.5 (inches)

Wheels And Breaking System

Bike front tire	20 X 2.10 (inches) Kenda K-850
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	APSE 303AP Levers APSE Cantilever Brakes
Hubs for disc brakes	Nutted Joy Tech Steel
Rims manufacturer	36-hole Weinmann 119
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Shuhn Lih Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Hsin Lung Steel
Handlebar extender	Optional
Handlebar stem details	Hsin Lung Steel
Headset size	1 (inches) YST Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z-51
Bottom bracket shell width	American
Bottom bracket type	One Piece
Crankset parts and sizes	44 Teeth 1-piece 5 1/2 (inches)
Gear shift levers	Grip Shift MRX-170 Rear
Rear gear set	13 - 28 Teeth 7-speed

Scorpio AT-J20 Fork System Data

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

Other Specs of Scorpio AT-J20

Component group sets	Juvenile Mix
Pedals details	Victor Resin
Rear shock absorber	Not Available
Saddle seat	Pilot
Seat post extension	25.4 (millimeters) Diameter Steel