Ross BOOMERANG 1997 VS Specialized HOTROCK 20 COASTER GIRLS 2015 specs comparison

Ross Boomerang

General Infos

Model	Boomerang
Manufacturer	Ross
Year of production	1997
Current price	Check price Here ==>
Color choice	- blue - green -Black
Sizes	- Boys 12 (inches)
Sizes	- Boys 12 (inches)

Wheels And Breaking System

Bike front tire	20 X 2.00 (inches) Ross BMX With Slime Tire Sealant
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Coaster Brake and caliper Rear
Hubs for disc brakes	Rear: Ross CB-01 Coaster Brake Nutted Front: Steel
Rims manufacturer	36-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	44 Teeth 1-piece 6 1/2 (inches)
Gear shift levers	Not Available
Rear gear set	18 Teeth 1-speed

Ross Boomerang 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 Boomerang

Component group sets	Not Available
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Ross Comfort
Seat post extension	25.4 (millimeters) Diameter Steel Pillar

Specialized HOTROCK 20 COASTER GIRLS

General Infos

Model	HOTROCK 20 COASTER GIRLS
Manufacturer	Specialized
Year of production	2015
Current price	Check price Here ==>
Color choice	- Purple and White -Pink and White
Sizes	- Standard size for all

Wheels And Breaking System

Bike front tire	20x2.0 (inches) 30TPI Wire Bead Specialized Rhythm Lite
Bike rear tire	Not Available
Bike wheel size	20
Brakeset type	60 (millimeters) Pads Die-cast Alloy V-brake
Hubs for disc brakes	3/8 (inches) Axle 36h 36h Steel Coaster Brake Nutted Axle Steel
Rims manufacturer	36h Alloy Single Wall Pin Joint 20 (inches)
Spoke nipples type	Not Available
Spoke wheel	14g With Brass Nipple Stainless

Frame and Body Specs

Frame materials	Aluminum
Frame type	20 (inches) Singlespeed Coaster Forged Horizontal Dropouts Formed Toptube and downtube Specialized A1 Premium Aluminum
Handlebar construction	10-degree Backsweep 130 (millimeters) Rise 22.2 (millimeters) 4-degree Upsweep Steel BMX
Handlebar extender	Not Available
Handlebar stem details	1-1/8 (inches) Alloy Ahead
Headset size	1/8 (inches) Sealed Cartridge Bearings Ahead

Gearing Specifications

Bicycle chain	1/2 (inches)x1/8 (inches) KMC HV410
Bottom bracket shell width	Not Available
Bottom bracket type	OPC Ball Retainer Type Steel
Crankset parts and sizes	36t OPC Hi-Ten Steel
Gear shift levers	Not Available
Rear gear set	Not Available

Specialized HOTROCK 20 COASTER GIRLS Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	High Tensile Steel
Fork type	1-1/8 (inches) Threadless Steerer 3/8 (inches) Axle Dropouts Hi-Ten Steel

Other Specs of Specialized HOTROCK 20 COASTER GIRLS

Component group sets	Youth Mix
Pedals details	9/16 (inches) With Reflectors Composite Platform
Rear shock absorber	Not Available
Saddle seat	7 (millimeters) Rails With Clamp Specialized Kids
Seat post extension	25.4 (millimeters) Steel