Specialized ROCKHOPPER 2004 VS Kona BLAST 2002 specs comparison

Specialized Rockhopper

General Infos

Model	Rockhopper
Manufacturer	Specialized
Year of production	2004
Current price	Check price Here ==>
Color choice	- Silver -Blue
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
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 Roll-X
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Alivio RapidFire Plus Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Aluminum QR
Rims manufacturer	32-hole Alex DM-20
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Threadless Aluminum Threadless

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 TruVativ Cartridge
Crankset parts and sizes	22/32/42 Teeth Specialized Forearm II
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 30 Teeth 8-speed

Specialized Rockhopper Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 34.9 (millimeters) Shimano Alivio
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Aluminum
Fork type	80 (millimeters) Travel Answer Manitou Six

Other Specs of Specialized Rockhopper

Component group sets	Mountain Mix
Pedals details	Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Pro
Seat post extension	30.9 (millimeters) Diameter Aluminum

Kona Blast

General Infos

Model	Blast
Manufacturer	Kona
Year of production	2002
Current price	Check price Here ==>
Color choice	- Red and White -Red
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Tioga Terra Firma
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro 352A Levers Tektro 829A Brakes
Hubs for disc brakes	Rear: Shimano QR Front: Joe's QR
Rims manufacturer	Mavic X139
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Front and 14ga. Rear Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Double-butted 6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Kalloy Aluminum Riser
Handlebar extender	Optional
Handlebar stem details	Kona Control
Headset size	Aheadset STS

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	VP Cartridge
Crankset parts and sizes	24/32/42 Teeth TruVativ Five D
Gear shift levers	Shimano SL-MC-20
Rear gear set	11 - 30 Teeth 8-speed

Kona Blast Fork System Data

Derailleur (Front)	Shimano Acera X
Derailleur (Rear)	Shimano Deore
Fork material	Single Triple-clamp Crown Aluminum
Fork type	3.15 (inches) Travel Rock Shox Judy TT

Other Specs of Kona Blast

Component group sets	Mountain Mix
Pedals details	Wellgo MTB With Clips And Straps
Rear shock absorber	Not Available
Saddle seat	SDG Comfort Comp
Seat post extension	Kona Thumb