Specialized HOTROCK 12 COASTER GIRLS 2015 VS GT MACH ONE JUNIOR 2011 specs comparison

Specialized HOTROCK 12 COASTER GIRLS

General Infos

Model	HOTROCK 12 COASTER GIRLS
Manufacturer	Specialized
Year of production	2015
Current price	Check price Here ==>
Color choice	- White and Purple -Pink and White
Sizes	- Standard size for all
Sizes	- Standard size for all

Wheels And Breaking System

Bike front tire	12x2.0 (inches) 30TPI Wire Bead Specialized Rhythm Lite
Bike rear tire	Not Available
Bike wheel size	12
Brakeset type	Coaster Brake
Hubs for disc brakes	16h 16h 3/8 (inches) Axle Steel Coaster Brake Nutted Axle Steel
Rims manufacturer	16h Alloy Single Wall Pin Joint 12 (inches)
Spoke nipples type	Not Available
Spoke wheel	14g With Brass Nipple Stainless

Frame and Body Specs

Frame materials	Aluminum
Frame type	12 (inches) Singlespeed Coaster Formed Tubes Horizontal Dropouts Specialized A1 Premium Aluminum
Handlebar construction	10-degree Backsweep 22.2 (millimeters) 4-degree Upsweep 55 (millimeters) Rise Steel Kid's Riser
Handlebar extender	Not Available
Handlebar stem details	22.2 X 125 (millimeters) Alloy Quill
Headset size	Loose Ball With Lock Nut 1 (inches) Threaded

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	26t OPC Hi-Ten Steel
Gear shift levers	Not Available
Rear gear set	Not Available

Specialized HOTROCK 12 COASTER GIRLS Fork System Data

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

Other Specs of Specialized HOTROCK 12 COASTER GIRLS

Component group sets	Youth Mix
Pedals details	1/2 (inches) Ball Bearings Composite Platform
Rear shock absorber	Not Available
Saddle seat	25.4 (millimeters) Integrated Steel Seatpost Integrated Handle Specialized Kids
Seat post extension	Not Available

GT Mach One Junior

General Infos

Model	Mach One Junior
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	- red -Black
Sizes	- Not available

Wheels And Breaking System

Bike front tire	16 X 2.125 (inches) GT Wing Design
Bike rear tire	Not Available
Bike wheel size	16 (inches) Wheels
Brakeset type	Unavailable Front and coast Brake Rear
Hubs for disc brakes	Rear: Coaster Brake Front: Steel
Rims manufacturer	28-hole Alloy
Spoke nipples type	Brass
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	Hi Ten
Frame type	Steel
Handlebar construction	GT BMX
Handlebar extender	Optional
Handlebar stem details	4-bolt Alloy and Steel Quill
Headset size	1 (inches) Steel

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Steel
Crankset parts and sizes	32T Teeth Forged 1 Piece
Gear shift levers	Not Available
Rear gear set	16 teeth c

GT Mach One Junior Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Not Available
Fork type	GT BMX

Other Specs of GT Mach One Junior

Component group sets	BMX Mix
Pedals details	Resin Jr. BMX Design
Rear shock absorber	Not Available
Saddle seat	GT Jr. BMX
Seat post extension	25.4 (millimeters) Diameter Steel