GT SERIES 4 2007 VS Jamis COMET 2003 specs comparison

GT Series 4

General Infos

Model	Series 4
Manufacturer	GT
Year of production	2007
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 48cm (centimeters) - 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters)
Sizes	- 48cm (centimeters) - 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Zaffiro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Sora STI Levers Tektro Forged Dual Pivot Brakes
Hubs for disc brakes	Rear: Shimano Cassette Front: Formula Sealed
Rims manufacturer	Alex D22
Spoke nipples type	Brass CP
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Kinesis 6061 Butted Tubing
Frame type	TIG-welded
Handlebar construction	Alico 6061
Handlebar extender	Optional
Handlebar stem details	3D Forged Alloy
Headset size	1 1/8 (inches) Threadless TH Intellaset

Gearing Specifications

Bicycle chain	Shimano
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Hollowtech II
Crankset parts and sizes	Shimano Tiagra
Gear shift levers	Shimano Sora STI
Rear gear set	12 - 25 Teeth 8-speed

GT Series 4 Fork System Data

Derailleur (Front)	Shimano Compact
Derailleur (Rear)	Shimano Tiagra
Fork material	Aero Crown Carbon Fiber and aluminum Steerer
Fork type	Kinesis Carbon

Other Specs of GT Series 4

Component group sets	Road Mix
Pedals details	Low Profile Nylon With Toe Clips
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Ponza
Seat post extension	HL Alloy

Jamis Comet

General Infos

Model	Comet
Manufacturer	Jamis
Year of production	2003
Current price	Check price Here ==>
Color choice	-Gloss White and Graphite
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	Mavic Ksyrium Elite
Rims manufacturer	18-hole and 20-hole Mavic Ksyrium Elite
Spoke nipples type	Brass Nipples
Spoke wheel	Aero Mavic Stainless Steel

Frame and Body Specs

Frame materials	Carbon Fiber Seat Stays Aluminum
Frame type	TIG-welded
Handlebar construction	3T Forgie
Handlebar extender	Optional
Handlebar stem details	3T Forgie
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 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 Carbon Fiber Steerer
Fork type	Reynolds Ouzo Comp

Other Specs of Jamis Comet

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