Diamondback OCTANE 20 2011 VS Specialized ROCKHOPPER A1 FS 1996 specs comparison

Diamondback Octane 20

General Infos

Model	Octane 20
Manufacturer	Diamondback
Year of production	2011
Current price	Check price Here ==>
Color choice	- purple -Green
Sizes	- Jr. MTN 20 (inches)
Sizes	- Jr. MTN 20 (inches)

Wheels And Breaking System

Bike front tire	20 X 2.0 (inches) Jr. ATB Knobby
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Alloy Linear With Reach Adjust Levers Alloy Linear Brakes
Hubs for disc brakes	Nutted
Rims manufacturer	36-hole R-1000 Alloy
Spoke nipples type	Not Available
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	6061heat-treated Aluminum
Frame type	Aluminum
Handlebar construction	Steel Jr Riser 20.5 (inches) Wide X 1 (inches) Rise
Handlebar extender	Optional
Handlebar stem details	Alloy Quill
Headset size	1 1/8 (inches) Threaded

Gearing Specifications

Bicycle chain	KMC Z51
Bottom bracket shell width	Not Available
Bottom bracket type	Loose Ball
Crankset parts and sizes	40T Teeth 1-piece
Gear shift levers	Shimano Revo Twist
Rear gear set	14 - 28 Teeth 6-speed

Diamondback Octane 20 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano TZ-50
Fork material	Not Available
Fork type	30 (millimeters) Travel Trail XC

Other Specs of Diamondback Octane 20

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Jr ATB 2 Panel
Seat post extension	25.4 (millimeters) Diameter Steel Pillar

Specialized Rockhopper A1 FS

General Infos

Model	Rockhopper A1 FS
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	-Purple
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Specialized Ground Master Front: 26 X 1.95 (inches) Specialized Ground Control II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-3 Levers Shimano Altus Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Araya GP-710
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Specialized Premium A1 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Alloy
Handlebar extender	Optional
Handlebar stem details	Chromoly
Headset size	1 1/8 (inches) Sealed Mechanism

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG50
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	20/32/42 Teeth Specialized Son Of Strongarm
Gear shift levers	Grip Shift SRT-300i
Rear gear set	11 - 28 Teeth 7-speed

Specialized Rockhopper A1 FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 5

Other Specs of Specialized Rockhopper A1 FS

Component group sets	Shimano Alivio
Pedals details	HTI Steel and resin With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Specialized Comfort Sport
Seat post extension	30.9 (millimeters) Diameter Alloy Micro-adjust