Boulder Bikes DEFIANT (LX) 1998 VS AMP Research B4 (01) 1997 specs comparison

Boulder Bikes Defiant (LX)

General Infos

Model	Defiant (LX)
Manufacturer	Boulder Bikes
Year of production	1998
Current price	Check price Here ==>
Color choice	- blue - green - red - silver - team flames - white - yellow -Black
Sizes	- Large - medium - small
Sizes	- Large - medium - small

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) IRC Mythos XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore LX Levers Shimano Deore LX V-Brake Brakes
Hubs for disc brakes	Rear: Shimano Deore LX Front: Shimano Deore LX Suspension
Rims manufacturer	32-hole Mavic X222
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Double-butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Chromoly
Frame type	TIG-welded
Handlebar construction	Bontrager Race
Handlebar extender	Optional
Handlebar stem details	Ritchey CompLite
Headset size	1 1/8 (inches) Threadless Aheadset Kontak SA-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Boulder Bikes Defiant (LX) Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Suntour XC Pro
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Rock Shox Judy XC

Other Specs of Boulder Bikes Defiant (LX)

Component group sets	Shimano Deore LX
Pedals details	Optional
Rear shock absorber	3.25 (inches) Travel Works Performance Air and oil
Saddle seat	Bontrager
Seat post extension	28.6 (millimeters) Diameter Kalloy Uno

AMP Research B4 (01)

General Infos

Model	B4 (01)
Manufacturer	AMP Research
Year of production	1997
Current price	Check price Here ==>
Color choice	- red -Ball burnished
Sizes	- Large - medium - small - xsmall

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Hutchinson
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers AMP D-1 Hydraulic Disc Brake System Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: AMP
Rims manufacturer	32-hole Sun Rims CR18
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Double Butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Alcoa 6013 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Control Tech Aluminum
Handlebar extender	Optional
Handlebar stem details	Control Tech
Headset size	1 1/8 (inches) Threadless Dia-Compe Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-UN71
Crankset parts and sizes	22/32/42 Teeth Shimano Deore XT
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

AMP Research B4 (01) Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Dual Pivot Crown Aluminum
Fork type	AMP Research F3 XC

Other Specs of AMP Research B4 (01)

Component group sets	Shimano Deore XT
Pedals details	Optional
Rear shock absorber	2.75 (inches) Travel AMP
Saddle seat	Vanadium Rails Vetta TT Tri-Shock
Seat post extension	31.6 (millimeters) Diameter Control Tech Control Post