AMP Research B4 1999 VS Specialized STUMPJUMPER FSR COMP 2011 specs comparison

AMP Research B4

General Infos

Model	B4
Manufacturer	AMP Research
Year of production	1999
Current price	Check price Here ==>
Color choice	- Polished -Candy Apple Red
Sizes	- Large - medium - small - xsmall
Sizes	- Large - medium - small - xsmall

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Hutchinson On The Rocks
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers AMP D1 Hydraulic Disc Brake System Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: AMP Research D1
Rims manufacturer	32-hole Mavic X221
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Alcoa Alcalyte 6013 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Hsin Lung Aluminum
Handlebar extender	Optional
Handlebar stem details	Hsin Lung Aluminum
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG90
Bottom bracket shell width	68 (millimeters) Threadless
Bottom bracket type	110.5 (millimeters) Spindle Shimano Deore XT
Crankset parts and sizes	22/32/44 Teeth Shimano Deore XT
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 34 Teeth 9-speed

AMP Research B4 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT GS
Fork material	Linkage Crown Alcoa Alcalyte 6013 T6 Aluminum
Fork type	2.25 (inches) Travel AMP Research F3 XC

Other Specs of AMP Research B4

Component group sets	Shimano Deore XT
Pedals details	Platform
Rear shock absorber	3.0 (inches) Travel AMP Research
Saddle seat	Serfas Lola
Seat post extension	31.6 (millimeters) Diameter JD Components

Specialized Stumpjumper FSR Comp

General Infos

Model	Stumpjumper FSR Comp
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Gry and Lt Gry -Blk and Mag
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.0 (inches) S-Works The Captain Front: 26 X 2.2 (inches) S-Works Purgatory
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Elixir R SL Levers Avid Elixir R SL Brakes
Hubs for disc brakes	Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss X420SL
Spoke nipples type	Not Available
Spoke wheel	15ga. Butted DT Swiss Champion Stainless

Frame and Body Specs

Frame materials	M5 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized XC Low Rise
Handlebar extender	Optional
Handlebar stem details	Specialized XC
Headset size	1 1/8 (inches) Threadless Campy Spec Integrated Sealed Cartridge Bearing

Gearing Specifications

Bicycle chain	KMC X10
Bottom bracket shell width	Not Available
Bottom bracket type	SRAM GXP
Crankset parts and sizes	22/33/44 Teeth SRAM S-1250
Gear shift levers	SRAM X.7
Rear gear set	11 - 36 Teeth 10-speed

Specialized Stumpjumper FSR Comp Fork System Data

Derailleur (Front)	S1 Direct Mount SRAM X.7
Derailleur (Rear)	SRAM X.9
Fork material	Single Crown Alloy Steerer
Fork type	140 (millimeters) Travel RockShox Revelation RL

Other Specs of Specialized Stumpjumper FSR Comp

Component group sets	SRAM Mix
Pedals details	Resin Test Ride Pedals
Rear shock absorber	140 (millimeters) Travel Fox Triad II
Saddle seat	Specialized BG Henge Comp
Seat post extension	30.9 (millimeters) Diameter Alloy Single Bolt Setback