Ross TAILSPIN W/TRAINING WHEELS 1997 VS Specialized HOTROCK 24 21-SPEED BOYS 2015 specs comparison

Ross Tailspin w/training wheels

General Infos

Model	Tailspin w/training wheels
Manufacturer	Ross
Year of production	1997
Current price	Check price Here ==>
Color choice	- blue - red -Black
Sizes	- Boys 8 (inches)
Sizes	- Boys 8 (inches)

Wheels And Breaking System

Bike front tire	16 X 2.25 (inches) Ross BMX With Slime Tire Sealant
Bike rear tire	Not Available
Bike wheel size	16 (inches) Wheels
Brakeset type	Coaster Brake
Hubs for disc brakes	Rear: Ross CB-01 Coaster Brake Nutted Front: Steel
Rims manufacturer	28-hole Kin Lin Steel
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Ta Sen Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Not Available
Handlebar stem details	Aluminum
Headset size	1 (inches) YST 665

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC 410
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	One Piece
Crankset parts and sizes	36 Teeth 1-piece 4 1/2 (inches)
Gear shift levers	Not Available
Rear gear set	18 Teeth 1-speed

Ross Tailspin w/training wheels Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Ross

Other Specs of Ross Tailspin w/training wheels

Component group sets	Not Available
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Ross BMX
Seat post extension	22.2 (millimeters) Diameter Steel Pillar

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)

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