GT MARATHON PRO 2008 VS AMP Research B4 XT W/DISC BRAKES (02) 1996 specs comparison

GT Marathon Pro

General Infos

Model	Marathon Pro
Manufacturer	GT
Year of production	2008
Current price	Check price Here ==>
Color choice	-Silver and Black
Sizes	- Xsmall - small - medium - large - xlarge
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Kenda Nevagal
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano XT Hydraulic Levers Shimano XT Disc Brakes
Hubs for disc brakes	DT Swiss X1800
Rims manufacturer	DT Swiss X1800
Spoke nipples type	DT Alloy
Spoke wheel	DT Swiss

Frame and Body Specs

Frame materials	GT I-Drive 4 6061 Aluminum
Frame type	Monocoque
Handlebar construction	Ritchey Pro Lo Rizer
Handlebar extender	Optional
Handlebar stem details	Ritchey Pro
Headset size	1 1/8 (inches) FSA Integrated

Gearing Specifications

Bicycle chain	Shimano HG-73
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Hollowtech II
Crankset parts and sizes	22/32/44 Teeth Shimano XT Hollowtech 2
Gear shift levers	Shimano XTR
Rear gear set	11 - 32 Teeth 9-speed

GT Marathon Pro Fork System Data

Derailleur (Front)	Shimano XT
Derailleur (Rear)	Shimano XTR
Fork material	Single Crown Aluminum and magnesium
Fork type	120 (millimeters) Travel Fox 32 RL

Other Specs of GT Marathon Pro

Component group sets	Shimano XT
Pedals details	Crank Brothers Candy C
Rear shock absorber	4 (inches) Travel Fox RP23
Saddle seat	Fi'zi:k Gobi XM
Seat post extension	Ritchey

AMP Research B4 XT w/disc brakes (02)

General Infos

Model	B4 XT w/disc brakes (02)
Manufacturer	AMP Research
Year of production	1996
Current price	Check price Here ==>
Color choice	- red -Ball-burnished
Sizes	- 16 (inches) - 18.5 (inches) - 20 (inches)

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 D1 Hydraulic Disc Brake System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Sun Metal 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 Steel and welded Aluminum
Handlebar construction	Control Tech Aluminum
Handlebar extender	Optional
Handlebar stem details	Control Tech
Headset size	Shimano Deore XT

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 LX
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

AMP Research B4 XT w/disc brakes (02) Fork System Data

Derailleur (Front)	Bottom-pull Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT GS
Fork material	Dual Pivot Crown Aluminum
Fork type	AMP Research F4 BLT

Other Specs of AMP Research B4 XT w/disc brakes (02)

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