Kona UNIT 2010 VS Specialized ROCKHOPPER A1 1997 specs comparison

Kona Unit

General Infos

Model	Unit
Manufacturer	Kona
Year of production	2010
Current price	Check price Here ==>
Color choice	-Metallic Dark Green
Sizes	- 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)
Sizes	- 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.10 (inches) Kenda Small Block 8
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid FR-5 Front and Avid FR- 5 Rear Levers Avid BB7 With 7 (inches) Rotor Front and Avid BB7 With 6 (inches) Rotor Rear Brakes
Hubs for disc brakes	Formula Disc
Rims manufacturer	Alex EN-24
Spoke nipples type	Not Available
Spoke wheel	15g Sandvic Stainless

Frame and Body Specs

Frame materials	Kona Butted Cromoly
Frame type	TIG-welded
Handlebar construction	Kona Energy Bar
Handlebar extender	Optional
Handlebar stem details	Kona XC and BC
Headset size	1 1/8 (inches) Threadless TH

Gearing Specifications

Bicycle chain	KMC Z610
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	32 Teeth FSA V-Drive With Guard
Gear shift levers	Not Available
Rear gear set	18 Teeth 1-speed

Kona Unit Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Cromoly
Fork type	Kona P2 29er Disc

Other Specs of Kona Unit

Component group sets	Single Speed Mix
Pedals details	Kona Jackshit
Rear shock absorber	Not Available
Saddle seat	WTB Rocket V Comp
Seat post extension	Kona XC and BC

Specialized Rockhopper A1

General Infos

Model	Rockhopper A1
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	- red -Blue
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.90 (inches) Specialized Team Master Front: 26 X 2.00 (inches) Specialized Team Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7 Levers Dia-Compe Direct Pull Brakes
Hubs for disc brakes	Q and R Rear: Shimano Cassette Front: SBC Aluminum Quick Release
Rims manufacturer	32-hole Ritchey Rock SCX
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

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

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	SBC Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth SBC Son Of Strongarm
Gear shift levers	Grip Shift SRT-400i
Rear gear set	11 - 30 Teeth 7-speed

Specialized Rockhopper A1 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Unicrown Crown SBC DirectDrive Chromoly
Fork type	SBC

Other Specs of Specialized Rockhopper A1

Component group sets	Not Available
Pedals details	Resin Body With Clips & Straps Aluminum Cage
Rear shock absorber	Not Available
Saddle seat	Specialized Prolong Evolution Carbotech
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust