Specialized HOTROCK 24 21-SPEED BOYS 2015 VS Gary Fisher TYRO 1998 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

Gary Fisher Tyro

General Infos

Model	Tyro
Manufacturer	Gary Fisher
Year of production	1998
Current price	Check price Here ==>
Color choice	-Red
Sizes	- Boys 13 (inches) - girls 13 (inches)

Wheels And Breaking System

Bike front tire	24 X 1.75 (inches) Knobby
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Aluminum Levers Linear-pull Brakes
Hubs for disc brakes	Nutted Steel
Rims manufacturer	32-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	Welded
Handlebar construction	Steel
Handlebar extender	Not Available
Handlebar stem details	Steel
Headset size	1 (inches) Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-UG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	YST BB 613
Crankset parts and sizes	24/34/42 Teeth SR XR17
Gear shift levers	Grip Shift MRX-170
Rear gear set	14 - 28 Teeth 6-speed

Gary Fisher Tyro Fork System Data

Derailleur (Front)	Top-pull Shimano AceraX Top-swing
Derailleur (Rear)	Shimano Tourney TY-22
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Fisher

Other Specs of Gary Fisher Tyro

Component group sets	Mountain Mix
Pedals details	Wellgo LU-945
Rear shock absorber	Not Available
Saddle seat	Fisher SuperSoft
Seat post extension	26.6 (millimeters) Diameter Steel