GT COURSE 1998 VS Jamis COMET 27 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

Jamis Comet 27

General Infos

Model	Comet 27
Manufacturer	Jamis
Year of production	2004
Current price	Check price Here ==>
Color choice	-Flame Red and Gloss Black
Sizes	- Extra small - Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	700 X 23c Hutchinson Carbon Comp
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Dual Control Levers Shimano Ultegra Dual Pivot Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	Mavic Ksyrium Elite
Spoke nipples type	Not Available
Spoke wheel	Mavic

Frame and Body Specs

Frame materials	Aluminum and carbon Fiber
Frame type	TIG-welded
Handlebar construction	Easton EA70
Handlebar extender	Optional
Handlebar stem details	Easton EA-70
Headset size	1 1/8 (inches) Threadless Cane Creek ZS-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118.5 (millimeters) Spindle Shimano BB-6500
Crankset parts and sizes	30/42/52 Teeth Shimano Ultegra Triple
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	11 - 23 Teeth 9-speed

Jamis Comet 27 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Ultegra Triple
Derailleur (Rear)	Shimano Ultegra GS
Fork material	Aero Crown Carbon Fiber Composite With Aluminum Steerer
Fork type	Easton EC70

Other Specs of Jamis Comet 27

Component group sets	Shimano Ultegra Triple
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Titanium Rails Fi'zi:k Pave
Seat post extension	27.2 (millimeters) Diameter Micro-adjust Carbon Fiber