AMP Research B4 F4BLT 1998 VS Specialized BIGHIT GROMHIT 2009 specs comparison

AMP Research B4 F4BLT

General Infos

Model	B4 F4BLT
Manufacturer	AMP Research
Year of production	1998
Current price	Check price Here ==>
Color choice	- Candy Apple Red -Ball-Burnished
Sizes	- Large - medium - small - xsmall
Sizes	- Large - medium - small - xsmall

Wheels And Breaking System

Bike front tire	Optional
Bike rear tire	Not Available
Bike wheel size	Optional 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
Rims manufacturer	Mavic 238
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alcoa Alcalyte 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 Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG70
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-UN72
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 F4BLT Fork System Data

Derailleur (Front)	Top-pull Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT
Fork material	Linkage Crown Alcoa Alcalyte 6013 T6 Aluminum
Fork type	AMP Research F4BLT

Other Specs of AMP Research B4 F4BLT

Component group sets	Shimano Deore XT
Pedals details	Optional
Rear shock absorber	3.0 (inches) Travel AMP Research
Saddle seat	Vetta TT
Seat post extension	31.6 (millimeters) Diameter Control Tech Or Thomson

Specialized BigHit GromHit

General Infos

Model	BigHit GromHit
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Green
Sizes	- Standard size for everyone

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	Avid FR-5 Levers Avid BB5 With 185 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Specialized Disc Front: Specialized Hi Lo Disc
Rims manufacturer	32-hole Specialized P-Disc
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Enduro
Handlebar extender	Optional
Handlebar stem details	Specialized Aggro
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	Truvativ Howitzer XR
Crankset parts and sizes	34 Teeth TruVativ Blaze
Gear shift levers	SRAM X.4-R Trigger
Rear gear set	11 - 32 Teeth 8-speed

Specialized BigHit GromHit Fork System Data

Derailleur (Front)	Chain Retention Device SBC Chain Guide
Derailleur (Rear)	SRAM X.7
Fork material	Single Crown Magnesium and aluminum and steel
Fork type	130 (millimeters) Travel RockShox Tora 318

Other Specs of Specialized BigHit GromHit

Component group sets	SRAM Mix
Pedals details	Alloy Platform
Rear shock absorber	130 (millimeters) Travel X Fusion O2R
Saddle seat	Specialized Enduro
Seat post extension	30.9 (millimeters) Diameter 6061 Butted Alloy Two-bolt