Electra ROCKET 7 1998 VS Specialized HARDROCK DISC 2010 specs comparison

Electra Rocket 7

General Infos

Model	Rocket 7
Manufacturer	Electra
Year of production	1998
Current price	Check price Here ==>
Color choice	-Flat purple grey
Sizes	- 18.5 (inches)
Sizes	- 18.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Maxxis
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-8 Levers Dia-Compe VC-737 Front and Shimano Nexus Roller Brake Rear Brakes
Hubs for disc brakes	Q and R Rear: Shimano Nexus Inter 7 Roller Brake Front: Aluminum
Rims manufacturer	36-hole EBC TA-5 Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7000 aluminum c
Frame type	TIG-welded
Handlebar construction	Kalloy Alloy Riser
Handlebar extender	Not Available
Handlebar stem details	Kalloy
Headset size	1 1/8 (inches) Threadless YST

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-CT91
Crankset parts and sizes	44 Teeth Cyclone CPI
Gear shift levers	Grip Shift SRT-400
Rear gear set	22 Teeth 7-speed Internal

Electra Rocket 7 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	RST 281

Other Specs of Electra Rocket 7

Component group sets	Shimano Nexus
Pedals details	Wellgo
Rear shock absorber	Not Available
Saddle seat	EBC Performance
Seat post extension	27.2 (millimeters) Diameter Kalloy Aluminum Micro-adjust

Specialized Hardrock Disc

General Infos

Model	Hardrock Disc
Manufacturer	Specialized
Year of production	2010
Current price	Check price Here ==>
Color choice	- Navy - Silver -Black
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 LK Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Linear Levers Tektro Novela With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Forged Alloy
Rims manufacturer	32-hole Alex HRD
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Hi-Ten Riser
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle VP-BC73T
Crankset parts and sizes	22/32/42 Teeth SR Suntour
Gear shift levers	SRAM X.3 Trigger
Rear gear set	11 - 32 Teeth 7-speed

Specialized Hardrock Disc Fork System Data

Derailleur (Front)	Shimano Altus
Derailleur (Rear)	SRAM X.4
Fork material	Single Crown Hi-tensile Steel and alloy
Fork type	80 (millimeters) Travel SR Suntour SF8-XCT-V2

Other Specs of Specialized Hardrock Disc

Component group sets	SRAM X.3/mix
Pedals details	Composite
Rear shock absorber	Not Available
Saddle seat	Specialized XC Body Geometry
Seat post extension	30.9 (millimeters) Diameter Alloy Micro Adjust