Kona KABOOM 1999 VS Specialized ROCKHOPPER A1 1997 specs comparison

Kona Kaboom

General Infos

Model	Kaboom
Manufacturer	Kona
Year of production	1999
Current price	Check price Here ==>
Color choice	-Bomber Gold Metallic
Sizes	- 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches)
Sizes	- 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Tioga Factory XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-1.9 L Levers Avid SD-20 Brakes
Hubs for disc brakes	Rear: Spot Brande Front: Ritchey Pro S
Rims manufacturer	Mavic X221
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Front 2.0 (millimeters) Rear Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Double-butted 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Kona DB Riser
Handlebar extender	Optional
Handlebar stem details	Koski 4-Bolt
Headset size	1 1/8 (inches) Threadless Aheadset STS

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-UN52
Crankset parts and sizes	40 Teeth Race Face Turbine LP
Gear shift levers	Not Available
Rear gear set	21 Teeth 1-speed

Kona Kaboom Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Butted Unicrown Crown Chromoly
Fork type	Kona Project Two

Other Specs of Kona Kaboom

Component group sets	Single Speed Mountain Bike Mix
Pedals details	Fasten NWL-230 Slalom Platform
Rear shock absorber	Not Available
Saddle seat	SDG Belair
Seat post extension	30.0 (millimeters) Diameter Interloc Quad II

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