Specialized ROCKHOPPER FS 1997 VS Diamondback OCTANE 20 WOMENS 2011 specs comparison

Specialized Rockhopper FS

General Infos

Model	Rockhopper FS
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	-Black
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)
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 1.90 (inches) Specialized Team Master Front: 26 X 2.00 (inches) Specialized Team Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7 Levers Dia-Compe Direct Pull Brakes
Hubs for disc brakes	Q and R Rear: Shimano Cassette Front: SBC Aluminum Quick Release
Rims manufacturer	32-hole Ritchey Rock SCX
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Double-butted SBC DirectDrive Light Chromoly
Frame type	TIG-welded
Handlebar construction	SBC Aluminum
Handlebar extender	Optional
Handlebar stem details	SBC Aluminum
Headset size	1 1/8 (inches) Threadless Tange

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	SBC Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth SBC Son Of Strongarm
Gear shift levers	Grip Shift SRT-400i
Rear gear set	11 - 30 Teeth 7-speed

Specialized Rockhopper 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 Indy C

Other Specs of Specialized Rockhopper FS

Component group sets	Not Available
Pedals details	Resin Body With Clips & Straps Aluminum Cage
Rear shock absorber	Not Available
Saddle seat	Specialized Prolong Evolution Carbotech
Seat post extension	30.4 (millimeters) Diameter Aluminum Micro-adjust

Diamondback Octane 20 Womens

General Infos

Model	Octane 20 Womens
Manufacturer	Diamondback
Year of production	2011
Current price	Check price Here ==>
Color choice	- purple -Green
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 Womens 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 Womens

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