Specialized HOTROCK 24 21-SPEED BOYS 2015 VS Sterling SPEED MACHINE 1993 specs comparison

Specialized HOTROCK 24 21-SPEED BOYS

General Infos

Model	HOTROCK 24 21-SPEED BOYS
Manufacturer	Specialized
Year of production	2015
Current price	Check price Here ==>
Color choice	- Orange and Black and White -Black and White and Cyan
Sizes	- 11.5 (inches) - 13.5 (inches)
Sizes	- 11.5 (inches) - 13.5 (inches)

Wheels And Breaking System

Bike front tire	24x2.125 (inches) 30TPI Wire Bead Specialized Roller
Bike rear tire	Not Available
Bike wheel size	24
Brakeset type	60 (millimeters) Pads Die-cast Alloy V-brake
Hubs for disc brakes	3/8 (inches) Axle 32h 32h Alloy Dual Lock Nuts With 17 (millimeters) Contact Side Dual Lock Nuts With 17 (millimeters) Contact Side Loose Ball Loose Ball Nutted Steel Nutted Alloy
Rims manufacturer	32h Alloy Single Wall Pin Joint 24 (inches)
Spoke nipples type	Not Available
Spoke wheel	14g With Brass Nipple Stainless

Frame and Body Specs

Frame materials	Aluminum
Frame type	Forged Dropouts Formed Toptube and downtube Replaceable Alloy Derailleur Hanger Specialized A1 Premium Aluminum
Handlebar construction	10-degree Backsweep 25.4 (millimeters) 4-degree Upsweep Steel Kid's Flat
Handlebar extender	Not Available
Handlebar stem details	20-degree Rise 4-bolt Forged Alloy Ahead
Headset size	1/8 (inches) Sealed Cartridge Bearings Ahead

Gearing Specifications

Bicycle chain	1/2 (inches)x3/32 (inches) KMC HV500
Bottom bracket shell width	Not Available
Bottom bracket type	Semi-cartridge With Bolts 68x119 (millimeters)
Crankset parts and sizes	42/34/24 Steel With Chainguard Forged Alloy Arms
Gear shift levers	7-speed Shimano Revo-Shift
Rear gear set	14-28 7-speed Freewheel Shimano

Specialized HOTROCK 24 21-SPEED BOYS Fork System Data

Derailleur (Front)	Shimano Tourney
Derailleur (Rear)	7-speed MegaRange Shimano TX-35
Fork material	Suspension
Fork type	1 Pc. Alloy Lower 1-1/8 (inches) Steerer 50 (millimeters) Travel Hi-Ten 25.4 (millimeters) Stanchions Coil and MCU Spring Direct Press Type Dust Seal Disc And V-brake Mount Preload Adjust SR Suntour XCT-JR-24

Other Specs of Specialized HOTROCK 24 21-SPEED BOYS

Component group sets	Youth Mix
Pedals details	9/16 (inches) With Reflectors Composite Platform
Rear shock absorber	Not Available
Saddle seat	Not Available
Seat post extension	Not Available

Sterling Speed Machine

General Infos

Model	Speed Machine
Manufacturer	Sterling
Year of production	1993
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 20 boys' and girls'

Wheels And Breaking System

Bike front tire	20 X 1.75 (inches) Top Gear
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Levers Chang Star Brakes
Hubs for disc brakes	Small Flange Heavy Duty
Rims manufacturer	36-hole Steel
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Sterling High-tensile Steel
Frame type	TIG-welded Steel
Handlebar construction	TopGear BMX
Handlebar extender	Not Available
Handlebar stem details	TopGear BMX
Headset size	Not Available

Gearing Specifications

Bicycle chain	Shimano HyperGlide
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	44 Teeth Topgear Cotterless
Gear shift levers	Shimano Thumbshifters
Rear gear set	14 - 28 Teeth 6-speed

Sterling Speed Machine Fork System Data

Derailleur (Front)	Shimano Tourney 20
Derailleur (Rear)	Shimano Tourney 20
Fork material	Not Available
Fork type	Sterling High-tensile Steel

Other Specs of Sterling Speed Machine

Component group sets	Shimano Tourney
Pedals details	TopGear MTB
Rear shock absorber	Not Available
Saddle seat	TopGear Padded
Seat post extension	TopGear Chrome