Specialized HOTROCK 20 COASTER GIRLS 2015 VS Alpine Designs ADVENTURE 20 1997 specs comparison

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
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

Alpine Designs Adventure 20

General Infos

Model	Adventure 20
Manufacturer	Alpine Designs
Year of production	1997
Current price	Check price Here ==>
Color choice	-Midnight blue
Sizes	- Boys 10.5 (inches)

Wheels And Breaking System

Bike front tire	20 X 2.10 (inches) Kenda K-827
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Shimano Altus Levers Shimano Altus Brakes
Hubs for disc brakes	Q and R Rear: Steel Nutted Front: Steel
Rims manufacturer	36-hole Femco 564A
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Asahi Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Sameness BT-2
Handlebar extender	Not Available
Handlebar stem details	Steel
Headset size	1 (inches) YST HP-663

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	YST BB 612
Crankset parts and sizes	44 Teeth Prowheel 1-piece
Gear shift levers	Grip Shift Quickshift
Rear gear set	14 - 28 Teeth 6-speed

Alpine Designs Adventure 20 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Tourney TY-20
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Akisu

Other Specs of Alpine Designs Adventure 20

Component group sets	Shimano Tourney TY-20
Pedals details	Platform
Rear shock absorber	Not Available
Saddle seat	Velo VL-195
Seat post extension	25.4 (millimeters) Diameter Kalloy SP-200