GT COURSE 1998 VS Marin PORTOFINO 2004 specs comparison

GT Course

General Infos

Model	Course
Manufacturer	GT
Year of production	1998
Current price	Check price Here ==>
Color choice	-Atomic Smoke
Sizes	- 50 cm (centimeters) - 52 cm (centimeters) - 54 cm (centimeters) - 56 cm (centimeters) - 58 cm (centimeters) - 60 cm (centimeters)
Sizes	- 50 cm (centimeters) - 52 cm (centimeters) - 54 cm (centimeters) - 56 cm (centimeters) - 58 cm (centimeters) - 60 cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Michelin Hi Lite Comp
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano 600 Ultegra STI Levers Shimano 600 Ultegra Dual Pivot Brakes
Hubs for disc brakes	Shimano 600 Ultegra
Rims manufacturer	32-hole Mavic Open SUP
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 853
Frame type	TIG-welded
Handlebar construction	Profile Ha (millimeters)er
Handlebar extender	Optional
Handlebar stem details	Aluminum
Headset size	1 (inches) Tange-Seiki Vantage

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-6500
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-6500
Crankset parts and sizes	39/53 Teeth Shimano 600 Ultegra
Gear shift levers	Shimano 600 Ultegra STI Dual Control
Rear gear set	12 - 23 Teeth 9-speed

GT Course Fork System Data

Derailleur (Front)	Bottom-pull Shimano 600 Ultegra
Derailleur (Rear)	Shimano 600 Ultegra GS
Fork material	Aero Crown Butted Chromoly
Fork type	GT

Other Specs of GT Course

Component group sets	Shimano 600 Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Titanium Rails GT
Seat post extension	GT Aluminum Micro-adjust

Marin Portofino

General Infos

Model	Portofino
Manufacturer	Marin
Year of production	2004
Current price	Check price Here ==>
Color choice	-Gloss Metallic Black and Silver
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	700 X 28c Kenda Road
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Sora STI Dual Control Levers Shimano Sora Dual Pivot Brakes
Hubs for disc brakes	Shimano 2200
Rims manufacturer	32-hole Mavic CXP 22
Spoke nipples type	Aluminum Nipples
Spoke wheel	15ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	/carbon Fiber Columbus Thron
Frame type	TIG-welded
Handlebar construction	Cinelli Altera
Handlebar extender	Optional
Handlebar stem details	Forged And CNC 4 Bolt Road
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	Shimano HG-50
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Cartridge
Crankset parts and sizes	30/42/52 Teeth TruVativ Touro
Gear shift levers	Shimano Sora STI Dual Control
Rear gear set	12 - 24 Teeth 8-speed

Marin Portofino Fork System Data

Derailleur (Front)	Shimano FD-2203
Derailleur (Rear)	Shimano Sora
Fork material	Carbon Fiber
Fork type	Not Available

Other Specs of Marin Portofino

Component group sets	Road Mix
Pedals details	Toe Clip And Strap Alloy
Rear shock absorber	Not Available
Saddle seat	Selle Italia XO XP
Seat post extension	Comp Alloy Micro Adjust