Specialized ROCKHOPPER COMP 29ER 2011 VS Electra ROCKET 7 1998 specs comparison

Specialized Rockhopper Comp 29er

General Infos

Model	Rockhopper Comp 29er
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Blu and Blk -Blk and Wht
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.0 (inches) Specialized The Captain Sport
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Tektro Draco Levers Tektro Draco Brakes
Hubs for disc brakes	Rear: Forged Alloy Mid Flange Front: Forged Alloy Hi and low Flange
Rims manufacturer	32-hole and 36-hole Alex RHD 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized M4 Alloy
Frame type	TIG-welded
Handlebar construction	Butted Alloy Risebar
Handlebar extender	Optional
Handlebar stem details	3D Forged Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X9
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M430-8
Gear shift levers	Shimano Alivio SL
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Comp 29er Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Alivio
Derailleur (Rear)	Shimano Alivio
Fork material	Single Crown Alloy Steerer
Fork type	SR Suntour SF11

Other Specs of Specialized Rockhopper Comp 29er

Component group sets	Mountain Mix
Pedals details	Alloy
Rear shock absorber	Not Available
Saddle seat	Specialized Rockhopper XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust

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)

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