Electra BOMBER 21 1998 VS Specialized HARDROCK CR-MO 2003 specs comparison

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)
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

Specialized Hardrock Cr-Mo

General Infos

Model	Hardrock Cr-Mo
Manufacturer	Specialized
Year of production	2003
Current price	Check price Here ==>
Color choice	-Charcoal
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 15 (inches) - womens 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Ground Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro 273A Levers Tektro 832AL Brakes
Hubs for disc brakes	Q and R Joy Tech Aluminum
Rims manufacturer	32-hole Alex Z-1000
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Main Triangle and hi-ten Steel Stays
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Aluminum Threadless
Headset size	1 1/8 (inches) Threadless Specialized Loose Ball

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	28/38/48 Teeth Shimano FC-C051
Gear shift levers	Shimano Revo RS-41A
Rear gear set	14 - 28 Teeth 7-speed Freewheel

Specialized Hardrock Cr-Mo Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano C051
Derailleur (Rear)	Shimano Altus
Fork material	Single Crown Aluminum
Fork type	80 (millimeters) Travel RST Capa CL

Other Specs of Specialized Hardrock Cr-Mo

Component group sets	Mountain Mix
Pedals details	Specialized Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Sport ATB
Seat post extension	30.4 (millimeters) Diameter Specialized Aluminum