Specialized ROCKHOPPER A1 1996 VS Kona UNIT 2004 specs comparison

Specialized Rockhopper A1

General Infos

Model	Rockhopper A1
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	- red -Gray
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)
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 1.95 (inches) Specialized Ground Master Front: 26 X 1.95 (inches) Specialized Ground Control II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-3 Levers Shimano Altus Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Araya GP-710
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Specialized Premium A1 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Alloy
Handlebar extender	Optional
Handlebar stem details	Chromoly
Headset size	1 1/8 (inches) Sealed Mechanism

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG50
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	20/32/42 Teeth Specialized Son Of Strongarm
Gear shift levers	Grip Shift SRT-300i
Rear gear set	11 - 28 Teeth 7-speed

Specialized Rockhopper A1 Fork System Data

Derailleur (Front)	Bottom-pull Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Butted Unicrown Crown Chromoly
Fork type	Specialized Direct Drive

Other Specs of Specialized Rockhopper A1

Component group sets	Shimano Alivio
Pedals details	HTI Steel and resin With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Specialized Comfort Sport
Seat post extension	30.9 (millimeters) Diameter Alloy Micro-adjust

Kona Unit

General Infos

Model	Unit
Manufacturer	Kona
Year of production	2004
Current price	Check price Here ==>
Color choice	-Gray and Black
Sizes	- 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Tioga Red Phoenix
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Single Digit 5 Levers Avid Single Digit 5 Brakes
Hubs for disc brakes	Rear: Kona Single Speed Disc Front: Shimano HB-M475 Disc
Rims manufacturer	32-hole Sun Rims Mach 4
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Front and 14ga. Rear Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	True Temper OX Platinum
Frame type	TIG-welded
Handlebar construction	Koski Riser
Handlebar extender	Optional
Handlebar stem details	Koski Strong Hold XC
Headset size	1 1/8 (inches) Threadless Aheadset STS

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z610HX
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face ISIS SRX
Crankset parts and sizes	34 Teeth Race Face Ride
Gear shift levers	Not Available
Rear gear set	17 Teeth 1-speed

Kona Unit Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	Kona Project 2 Disc

Other Specs of Kona Unit

Component group sets	Mountain Mix
Pedals details	Shimano PD-M505 SPD
Rear shock absorber	Not Available
Saddle seat	SDG-Kona Satellite
Seat post extension	Koski Stronghold