AMP Research B-4 XT 1995 VS Specialized GROMHIT 2008 specs comparison

AMP Research B-4 XT

General Infos

Model	B-4 XT
Manufacturer	AMP Research
Year of production	1995
Current price	Check price Here ==>
Color choice	-Polished
Sizes	- Large - medium - small
Sizes	- Large - medium - small

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 Shimano Deore XT M-System Brakes
Hubs for disc brakes	Shimano Deore XT With Suspension Front Axle
Rims manufacturer	32-hole Mavic M231
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Control Tech Aluminum
Handlebar extender	Optional
Handlebar stem details	Control Tech
Headset size	1 1/8 (inches) Shimano Deore XT

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG90
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth Shimano Deore XT HyperDrive-C
Gear shift levers	Shimano Deore XT RapidFire Plus
Rear gear set	11 - 28 Teeth 8-speed

AMP Research B-4 XT Fork System Data

Derailleur (Front)	Top-pull and clamp-on 35.0 (millimeters) Shimano Deore XT Compact Drive
Derailleur (Rear)	Shimano Deore XT SS
Fork material	Flat Crown Aluminum
Fork type	AMP Research F2

Other Specs of AMP Research B-4 XT

Component group sets	Shimano Deore XT
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Vetta SL MTB
Seat post extension	31.6 (millimeters) Diameter Control Tech Control Post

Specialized Gromhit

General Infos

Model	Gromhit
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Purple and Black
Sizes	- Not available

Wheels And Breaking System

Bike front tire	24 (inches) X 2.30 (inches) Specialized Roller
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB-7 Mechanical With 185 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Specialized Bolt-on 135 (millimeters) Bolt-on 9 (millimeters) Cr-Mo Axle With RD Guard Front: Specialized Disc
Rims manufacturer	36-hole Specialized P-Disc
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	31.8 (millimeters) 6061 Alloy 660 (millimeters) Wide Specialized Big Hit Rise Bar
Handlebar extender	Optional
Handlebar stem details	TruVativ Holzfeller
Headset size	1 1/8 (inches) Threadless Oversize Threaded

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano IG-31
Bottom bracket shell width	Not Available
Bottom bracket type	Truvativ Power Spline
Crankset parts and sizes	34 Teeth Truvativ Blaze With Truvativ Box Guide
Gear shift levers	SRAM SX-5 Trigger
Rear gear set	11 - 32 Teeth 8-speed

Specialized Gromhit Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	SRAM X.7
Fork material	Single
Fork type	130 (millimeters) Travel Marzocchi Z1 SL

Other Specs of Specialized Gromhit

Component group sets	Downhill Mix
Pedals details	Alloy Platform
Rear shock absorber	130 (millimeters) Travel X-Fusion O2R
Saddle seat	8 (millimeters) Cr-Mo Rails Specialized Enduro
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust