Specialized ROCKHOPPER EXPERT 2009 VS Diamondback OVERDRIVE PRO 2011 specs comparison

Specialized Rockhopper Expert

General Infos

Model	Rockhopper Expert
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gloss Metallic Red -Dream Silver
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Fast Trak Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Auriga Comp Levers Tektro Auriga Comp Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Specialized Forged Alloy Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole Specialized RHD
Spoke nipples type	Not Available
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized M4 ORE Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Low Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X9
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M442
Gear shift levers	Shimano Deore Rapidfire
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Expert Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Chromoly and alloy and magnesium
Fork type	100 (millimeters) Travel RockShox Tora SLite

Other Specs of Specialized Rockhopper Expert

Component group sets	Shimano Deore
Pedals details	Alloy Cage
Rear shock absorber	Not Available
Saddle seat	Specialized BG Indie XC
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Two Bolt

Diamondback OVERDRIVE PRO

General Infos

Model	OVERDRIVE PRO
Manufacturer	Diamondback
Year of production	2011
Current price	Check price Here ==>
Color choice	-Orange
Sizes	- SM (16) (inches) - MD (18) (inches) - LG (inches) - XL (inches)

Wheels And Breaking System

Bike front tire	29 X 2.1'' WTb Prowler SL
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Elixer 3 Disc Levers Avid Elixer 3 Hydraulic Disc Brakes
Hubs for disc brakes	SL-7 Alloy
Rims manufacturer	32-hole Weinmann SL-7 Doublewall
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless Steel Stainless

Frame and Body Specs

Frame materials	Butted 6061-T6 Aluminum
Frame type	Aluminum
Handlebar construction	DB Lazer Series
Handlebar extender	Optional
Handlebar stem details	DB AL6061 Ahead 7
Headset size	1 1/8 (inches) Integrated

Gearing Specifications

Bicycle chain	KMC Z99
Bottom bracket shell width	Not Available
Bottom bracket type	TruVative Power Spline
Crankset parts and sizes	44/32/22t Teeth SRAM S800
Gear shift levers	SRAM SX-5 Trigger
Rear gear set	11 - 32 Teeth 9-speed

Diamondback OVERDRIVE PRO Fork System Data

Derailleur (Front)	31.8 (millimeters) Clamp SRAM X.5
Derailleur (Rear)	SRAM X.7
Fork material	Aluminum
Fork type	100 (millimeters) Travel RockShox Recon Gold Air

Other Specs of Diamondback OVERDRIVE PRO

Component group sets	Mountain Mix
Pedals details	CNC MTB Wellgo Alloy Forged
Rear shock absorber	Not Available
Saddle seat	Avenir 200 Series
Seat post extension	30.9 (millimeters) Diameter Diamondback Lazer Series Micro Adjust