Diamondback OCTANE 20 WOMENS 2011 VS Specialized ROCKHOPPER COMP 29 2009 specs comparison

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)
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

Specialized Rockhopper Comp 29

General Infos

Model	Rockhopper Comp 29
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gloss Green -Satin Black
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.00 (inches) Specialized Fast Trak Sport
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB5 With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Specialized Forged Alloy Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole Specialized RHD 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Low Riser
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Specialized 3D
Headset size	1 1/8 (inches) Specialized Loose Ball

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/42 Teeth Shimano FC-M36108
Gear shift levers	SRAM X.4 Trigger
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Comp 29 Fork System Data

Derailleur (Front)	Shimano Altus
Derailleur (Rear)	SRAM X.5 Medium Cage
Fork material	Single Crown Aluminum and chromoly
Fork type	80 (millimeters) Travel RockShox Dart 3 SL

Other Specs of Specialized Rockhopper Comp 29

Component group sets	SRAM Mix
Pedals details	Plastic Body Steel Cage
Rear shock absorber	Not Available
Saddle seat	Specialized XC Body Geometry
Seat post extension	30.9 (millimeters) Diameter Micro Adjust Specialized Alloy Two Bolt