Electra ROCKET 7 1998 VS Specialized ROCKHOPPER EXPERT 29 2009 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 Rockhopper Expert 29

General Infos

Model	Rockhopper Expert 29
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Polished
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 Control
Bike rear tire	Not Available
Bike wheel size	29 (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 29 (inches)
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 29 Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Chromoly and alloy and magnesium
Fork type	80 (millimeters) Travel RockShox Tora Race 29er

Other Specs of Specialized Rockhopper Expert 29

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