GT TACHYON 4.0 2011 VS Kestrel 500 SCI - ULTEGRA AERO 2002 specs comparison

GT Tachyon 4.0

General Infos

Model	Tachyon 4.0
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	-White
Sizes	- Extra small - Small - Medium - Large
Sizes	- Extra small - Small - Medium - Large

Wheels And Breaking System

Bike front tire	700 X 32c Kenda Kwest
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano EF-51 Levers Tektro RX-1 Brakes
Hubs for disc brakes	Formula Alloy
Rims manufacturer	32-hole Jalco DRX3000
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	Aluminum
Frame type	Aluminum
Handlebar construction	GT Flat Bar
Handlebar extender	Optional
Handlebar stem details	GT Alloy
Headset size	Integrated Sealed

Gearing Specifications

Bicycle chain	KMC HG39
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Sealed
Crankset parts and sizes	48/38/28t Teeth Shimano FC-M311
Gear shift levers	Shimano EF-51
Rear gear set	11 - 32 Teeth 8-speed

GT Tachyon 4.0 Fork System Data

Derailleur (Front)	Shimano M191
Derailleur (Rear)	Shimano Acera
Fork material	Alloy
Fork type	GT Type R Alloy

Other Specs of GT Tachyon 4.0

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

Kestrel 500 SCi - Ultegra Aero

General Infos

Model	500 SCi - Ultegra Aero
Manufacturer	Kestrel
Year of production	2002
Current price	Check price Here ==>
Color choice	- Kona Blue - Red - Yellow -Black
Sizes	- 49cm (centimeters) - 54cm (centimeters) - 57cm (centimeters)

Wheels And Breaking System

Bike front tire	650 X 23c Michelin Axial Pro
Bike rear tire	Not Available
Bike wheel size	650c Wheels
Brakeset type	Dia-Compe 188 TRI Levers Shimano Ultegra Dual Pivot Brakes
Hubs for disc brakes	Cane Creek
Rims manufacturer	24-hole and 28-hole Cane Creek Aerohead
Spoke nipples type	Brass Nipples
Spoke wheel	Double-butted Stainless Steel

Frame and Body Specs

Frame materials	Carbon Fiber Composite
Frame type	Monocoque
Handlebar construction	Syntace Stratos 200
Handlebar extender	Syntace Streamliner
Handlebar stem details	ITM Big One Threadless
Headset size	1 (inches) Threadless Cane Creek S-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano BB-6500
Crankset parts and sizes	39/53 Teeth Shimano Ultegra
Gear shift levers	Shimano Dura-Ace Bar-end
Rear gear set	11 - 23 Teeth 9-speed

Kestrel 500 SCi - Ultegra Aero Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra SS
Fork material	Aero Crown Carbon Fiber
Fork type	Kestrel EMS Pro

Other Specs of Kestrel 500 SCi - Ultegra Aero

Component group sets	Shimano Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Titanium Rails Selle Italia Flite
Seat post extension	27.2 (millimeters) Diameter American Classic