AMP Research B-4 ALL COUNTRY 2001 VS Specialized BIGHIT GROM SPEC 2005 specs comparison

AMP Research B-4 All Country

General Infos

Model	B-4 All Country
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 Deore LX RapidFire SL Levers AMP D-1 Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Shimano Deore LX 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	Alloy MTB
Handlebar extender	Optional
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG72
Bottom bracket shell width	American
Bottom bracket type	110 (millimeters) Spindle Shimano BB-ES70
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	12 - 34 Teeth 9-speed

AMP Research B-4 All Country Fork System Data

Derailleur (Front)	Bottom-pull Clamp-on 1 3/8 (inches) Shimano Deore LX
Derailleur (Rear)	Shimano Deore LX SGS
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

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

Specialized Bighit Grom SPEC

General Infos

Model	Bighit Grom SPEC
Manufacturer	Specialized
Year of production	2005
Current price	Check price Here ==>
Color choice	-Red
Sizes	- Short

Wheels And Breaking System

Bike front tire	24 X 2.30 (inches) Specialized Roller
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Tektro Jr (inches)V (inches) Levers Hayes HMX-2 HD Front and Hayes HMX-2 CX Rear Brakes
Hubs for disc brakes	Nutted Aluminum
Rims manufacturer	36-hole Sun Rims Ditch Witch
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Not Available
Handlebar stem details	TruVativ Husselfelt
Headset size	1 1/8 (inches) Threadless Tank MX

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle TruVativ Hussefelt
Crankset parts and sizes	38 Teeth TruVativ Hussefelt
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 8-speed

Specialized Bighit Grom SPEC Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Alivio
Fork material	Dual Crown Aluminum and magnesium
Fork type	100 (millimeters) Marzocchi MZ Comp

Other Specs of Specialized Bighit Grom SPEC

Component group sets	Downhill Mix
Pedals details	Aluminum Platform
Rear shock absorber	125 (millimeters) Damped Coil-over
Saddle seat	Specialized Jumping
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust