American Flyer Z-1 1997 VS Specialized ALLEZ JUNIOR DOUBLE 2007 specs comparison

American Flyer Z-1

General Infos

Model	Z-1
Manufacturer	American Flyer
Year of production	1997
Current price	Check price Here ==>
Color choice	-Brushed
Sizes	- 49 cm (centimeters) - 51 cm (centimeters) - 53 cm (centimeters) - 55 cm (centimeters) - 57 cm (centimeters) - 59 cm (centimeters)
Sizes	- 49 cm (centimeters) - 51 cm (centimeters) - 53 cm (centimeters) - 55 cm (centimeters) - 57 cm (centimeters) - 59 cm (centimeters)

Wheels And Breaking System

Bike front tire	650 X 20c Continental Grand Prix
Bike rear tire	Not Available
Bike wheel size	650c Wheels
Brakeset type	Shimano 600 Ultegra Levers Shimano 600 Ultegra Dual Pivot Brakes
Hubs for disc brakes	Shimano 600 Ultegra
Rims manufacturer	32-hole HED J-2
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Bladed Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Tapered With 6Al and 4V Titanium 3Al and 2.5V Titanium
Frame type	TIG-welded
Handlebar construction	Syntace Stratos
Handlebar extender	Syntace C-2
Handlebar stem details	Salsa Chromoly
Headset size	1 (inches) Shimano 600 Ultegra

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Taya Pro Extreme
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	111 (millimeters) Spindle Shimano BB-UN71
Crankset parts and sizes	39/53 Teeth Shimano 600 Ultegra
Gear shift levers	Shimano 600 Ultegra Down-tube
Rear gear set	11 - 21 Teeth 8-speed

American Flyer Z-1 Fork System Data

Derailleur (Front)	Bottom-pull and braze-on Shimano 600 Ultegra
Derailleur (Rear)	Shimano 600 Ultegra
Fork material	Aero Crown Carbon Fiber Composite
Fork type	Kestrel EMS

Other Specs of American Flyer Z-1

Component group sets	Shimano 600 Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Carbon Selle Royal Eclipse
Seat post extension	27.2 (millimeters) Diameter Syncros Pro Series Aluminum

Specialized Allez Junior Double

General Infos

Model	Allez Junior Double
Manufacturer	Specialized
Year of production	2007
Current price	Check price Here ==>
Color choice	-Black and Yellow
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	24 X 1.00 (inches) Specialized Mondo Pro
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Shimano Sora Levers Dual Pivot Brakes
Hubs for disc brakes	Specialized Forged Alloy
Rims manufacturer	28-hole and 32-hole Alex DA-22
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Comp
Handlebar extender	Optional
Handlebar stem details	Specialized 3D
Headset size	1 1/8 (inches) Integrated Specialized Mindset

Gearing Specifications

Bicycle chain	Shimano CN-HG50
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	110 (millimeters) Spindle Sport Cartridge
Crankset parts and sizes	34/46 Teeth Sugino Pro
Gear shift levers	Shimano Sora
Rear gear set	12 - 28 Teeth 7-speed

Specialized Allez Junior Double Fork System Data

Derailleur (Front)	31.8 (millimeters) Clamp Shimano Sora
Derailleur (Rear)	Shimano Sora
Fork material	Aero Crown Carbon and chromoly Steerer
Fork type	Specialized FACT

Other Specs of Specialized Allez Junior Double

Component group sets	Shimano Sora
Pedals details	Alloy Cage With Toe Clips And Straps Composite Body
Rear shock absorber	Not Available
Saddle seat	Specialized Junior
Seat post extension	27.2 (millimeters) Diameter Forged Alloy