GT MARATHON CARBON EXPERT 2009 VS AMP Research B4 XT W/DISC BRAKES (02) 1996 specs comparison

GT Marathon Carbon Expert

General Infos

Model	Marathon Carbon Expert
Manufacturer	GT
Year of production	2009
Current price	Check price Here ==>
Color choice	-Black and Red
Sizes	- Xsmall - small - medium - large - xlarge
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Kenda Karma DTC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano SLX Hydraulic Levers Shimano SLX Disc Brakes
Hubs for disc brakes	Mavic CrossRide Centerlock Disc
Rims manufacturer	Mavic CrossRide Disc
Spoke nipples type	Not Available
Spoke wheel	Mavic

Frame and Body Specs

Frame materials	GT I-Drive 4 Carbon Fiber
Frame type	Monocoque
Handlebar construction	Ritchey Pro Rizer OS
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 SLX Hollowtech II
Crankset parts and sizes	Shimano SLX
Gear shift levers	Shimano SLX RapidFire
Rear gear set	11 - 32 Teeth 9-speed

GT Marathon Carbon Expert Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	Shimano SLX
Fork material	Single Crown Magnesium and aluminum
Fork type	120 (millimeters) Travel RockShox Recon 335 Solo Air

Other Specs of GT Marathon Carbon Expert

Component group sets	Shimano SLX
Pedals details	Crank Brothers Candy C
Rear shock absorber	4 (inches) Travel Fox Float R
Saddle seat	Fi'zi:k Gobi XM With Mg Rails
Seat post extension	31.6 (millimeters) Diameter Ritchey 3D Forged

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