AMP Research B-4 ALL COUNTRY XTR 2001 VS Kona FOUR 2008 specs comparison

AMP Research B-4 All Country XTR

General Infos

Model	B-4 All Country XTR
Manufacturer	AMP Research
Year of production	2001
Current price	Check price Here ==>
Color choice	- Red -Polished
Sizes	- Large - medium - small - xsmall
Sizes	- Large - medium - small - xsmall

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (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	Shimano XTR Levers AMP D-1 Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: AMP Research D-1
Rims manufacturer	32-hole Sun Rims CR18
Spoke nipples type	Aluminum Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Alcoa 6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	1.5 (inches) Rise Aluminum
Handlebar extender	Not Available
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-7700
Bottom bracket shell width	American
Bottom bracket type	112.5 (millimeters) Spindle Shimano BB-M952
Crankset parts and sizes	26/36/48 Teeth Shimano XTR M952
Gear shift levers	Shimano XTR RapidFire SL
Rear gear set	12 - 34 Teeth 9-speed

AMP Research B-4 All Country XTR Fork System Data

Derailleur (Front)	Bottom-pull Clamp-on 1 3/8 (inches) Shimano XTR
Derailleur (Rear)	Shimano XTR
Fork material	Linkage Crown Aluminum
Fork type	2.5 (inches) Travel AMP Research F-3 XC

Other Specs of AMP Research B-4 All Country XTR

Component group sets	Shimano XTR
Pedals details	Alloy Platform
Rear shock absorber	3.0 (inches) Travel AMP Research
Saddle seat	Specialized
Seat post extension	31.6 (millimeters) Diameter Aluminum

Kona Four

General Infos

Model	Four
Manufacturer	Kona
Year of production	2008
Current price	Check price Here ==>
Color choice	-Blue and White and Black
Sizes	- 15 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Maxxis Ignitor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Front and Avid FR- 5 Rear Levers Hayes MX-4 Disc Brakes
Hubs for disc brakes	Rear: Shimano M475 Disc Front: KK Disc
Rims manufacturer	Rear: Velocity Aerohead Front: Alex ACE-18
Spoke nipples type	Not Available
Spoke wheel	14ga. DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	Kona Race Light Scandium Butted
Frame type	TIG-welded
Handlebar construction	Kona Aluminum Riser
Handlebar extender	Optional
Handlebar stem details	Kona Control
Headset size	TH

Gearing Specifications

Bicycle chain	Shimano HG53-9
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Powerdrive
Crankset parts and sizes	22/32/44 Teeth FSA Alpha Drive
Gear shift levers	Shimano Deore
Rear gear set	11 - 32 Teeth 9-speed

Kona Four Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Single
Fork type	100 (millimeters) Travel RockShox Dart 2

Other Specs of Kona Four

Component group sets	Shimano Deore
Pedals details	Shimano PD-M505
Rear shock absorber	4 (inches) Travel RockShox Bar 2.1
Saddle seat	WTB Laser V Comp
Seat post extension	Kona Thumb