Specialized HARDROCK DISC 2011 VS Electra BOMBER 21 1998 specs comparison

Specialized Hardrock Disc

General Infos

Model	Hardrock Disc
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Blk and Sil - Wht and Red -Blk
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Specialized Fast Track LK Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Levers Tektro IO Mechanical Disc Brakes
Hubs for disc brakes	Forged Alloy
Rims manufacturer	32-hole Alex RHD 26 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Riserbar
Handlebar extender	Optional
Handlebar stem details	A-head
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 Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth SR Suntour
Gear shift levers	SRAM X.3 Trigger
Rear gear set	12 - 32 Teeth 7-speed

Specialized Hardrock Disc Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Atlus
Derailleur (Rear)	SRAM X.4
Fork material	Single
Fork type	80 (millimeters) SR Suntour SF11

Other Specs of Specialized Hardrock Disc

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

Electra Bomber 21

General Infos

Model	Bomber 21
Manufacturer	Electra
Year of production	1998
Current price	Check price Here ==>
Color choice	-Electric red
Sizes	- 18.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) EBC All Terrain
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro RBP-375A Levers Tektro 823 Linear-pull Brakes
Hubs for disc brakes	Shimano AceraX
Rims manufacturer	36-hole EBC TA-8 Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	4130 Chromoly Main Triangle and hi-tensile Steel Rear Stays
Frame type	TIG-welded
Handlebar construction	Kalloy Alloy Riser
Handlebar extender	Not Available
Handlebar stem details	Kalloy Aluminum
Headset size	1 (inches) Threadless YST

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-LP26
Crankset parts and sizes	24/34/42 Teeth Shimano Alivio
Gear shift levers	Shimano STX RapidFire SL
Rear gear set	11 - 30 Teeth 7-speed

Electra Bomber 21 Fork System Data

Derailleur (Front)	Top-pull Shimano AceraX Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	RST 280

Other Specs of Electra Bomber 21

Component group sets	Shimano Alivio and AceraX
Pedals details	Wellgo Resin and aluminum
Rear shock absorber	Not Available
Saddle seat	EBC Performance
Seat post extension	26.8 (millimeters) Diameter Kalloy Aluminum Micro-adjust