Diamondback OVERDRIVE 2011 VS Specialized GROMROCK 2008 specs comparison

Diamondback OVERDRIVE

General Infos

Model	OVERDRIVE
Manufacturer	Diamondback
Year of production	2011
Current price	Check price Here ==>
Color choice	-Black
Sizes	- SM (16) (inches) - MD (18) (inches) - LG (inches) - XL (inches)
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	Tektro Alloy Reach Adjust Levers Tektro Novela 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 Z82
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Cartridge
Crankset parts and sizes	22/32/42t Teeth SR Suntour XCT
Gear shift levers	SRAM X.4 Trigger
Rear gear set	11 - 32 Teeth 8-speed

Diamondback OVERDRIVE Fork System Data

Derailleur (Front)	34.9 (millimeters) Top Swing Dual Pull Shimano TX50
Derailleur (Rear)	SRAM X.4
Fork material	Not Available
Fork type	100 (millimeters) Travel SR Suntour XCT-MLO With Mechanical LO

Other Specs of Diamondback OVERDRIVE

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

Specialized Gromrock

General Infos

Model	Gromrock
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Charcoal and black
Sizes	- 12.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.1 (inches) Specialized Resolution Wire
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Jr. Levers Tektro IOX With 6 (inches) Rotor Brakes
Hubs for disc brakes	Specialized Hi-Lo Disc
Rims manufacturer	32-hole Specialized and Alex HRD 24
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D Forged Alloy 25.4 (millimeters)
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMX X8
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth SR Suntour XCM-T312
Gear shift levers	SRAM 3.0 Comp Grip Shift
Rear gear set	11 - 32 Teeth 8-speed

Specialized Gromrock Fork System Data

Derailleur (Front)	Top Swing Shimano Altus FD-M310-6
Derailleur (Rear)	SRAM 3.0
Fork material	Single Crown Crown Aluminum and steel
Fork type	80 (millimeters) Travel SR Suntour SF7-XCM

Other Specs of Specialized Gromrock

Component group sets	Mountain Mix
Pedals details	Steel Cage and composite Body
Rear shock absorber	Not Available
Saddle seat	Specialized Kids ATB With Kevlar Sides
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Two Bolt