GT TACHYON 2.0 GTW 2011 VS Jamis COMET 27 2004 specs comparison

GT Tachyon 2.0 GTW

General Infos

Model	Tachyon 2.0 GTW
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	-Black pearl
Sizes	- Large frame
Sizes	- Large frame

Wheels And Breaking System

Bike front tire	700 X 32c Kenda Kiniption
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro RX-1 Levers Tektro RX-1 Brakes
Hubs for disc brakes	Formula Alloy
Rims manufacturer	32-hole Jalco DRX3000
Spoke nipples type	Alloy
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	Aluminum
Frame type	Aluminum
Handlebar construction	GT Type R Double Butted Flat Bar
Handlebar extender	Optional
Handlebar stem details	NVO Adjustable
Headset size	Integrated Sealed

Gearing Specifications

Bicycle chain	KMC HG40
Bottom bracket shell width	Not Available
Bottom bracket type	Mega EXO
Crankset parts and sizes	50/39/30t Teeth FSA Omega Triple
Gear shift levers	Shimano SL-R441
Rear gear set	11 - 25 Teeth 9-speed

GT Tachyon 2.0 GTW Fork System Data

Derailleur (Front)	Shimano R453
Derailleur (Rear)	Shimano Sora
Fork material	Carbon
Fork type	GT Type R Carbon

Other Specs of GT Tachyon 2.0 GTW

Component group sets	Road Mix
Pedals details	Alloy Body and Steel Cage
Rear shock absorber	Not Available
Saddle seat	GT Type R Race
Seat post extension	GT Design Alloy

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