Specialized ROCKHOPPER A1 FS 1998 VS Diamondback OVERDRIVE 2011 specs comparison

Specialized Rockhopper A1 FS

General Infos

Model	Rockhopper A1 FS
Manufacturer	Specialized
Year of production	1998
Current price	Check price Here ==>
Color choice	- team red -Blue
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	Rear: 26 X 1.90 (inches) Specialized Dirt Master Front: 26 X 1.90 (inches) Specialized Dirt Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7N Levers Dia-Compe VC-757 Brakes
Hubs for disc brakes	Q and R Q and R Rear: Ritchey Aluminum Front: Specialized Aluminum
Rims manufacturer	32-hole Rear: Ritchey Rock OCR Front: Ritchey Rock SCX
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Plus Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano IG
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Specialized Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth Specialized Strong Arm Expert
Gear shift levers	Shimano Rapidfire
Rear gear set	11 - 32 Teeth 8-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 Deore LX SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Answer Manitou Spyder

Other Specs of Specialized Rockhopper A1 FS

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Specialized Prolong Evolution Carbotech
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust

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)

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