GT TACHYON 4.0 2011 VS Romic CHORUS 9 SPEED 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

Romic Chorus 9 Speed

General Infos

Model	Chorus 9 Speed
Manufacturer	Romic
Year of production	2002
Current price	Check price Here ==>
Color choice	- Blue - Gold - Metallic Black - Metallic Blue - Metallic Burgundy - Metallic Dark Blue - Metallic Green - Metallic Purple - Red - Silver - White - Yellow -Black
Sizes	- 48cm (centimeters) - 50cm (centimeters) - 52cm (centimeters) - 53cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 59cm (centimeters) - 60cm (centimeters) - 62cm (centimeters) - 63cm (centimeters) - 64cm (centimeters) - 65cm (centimeters) - 67cm (centimeters) - 68cm (centimeters) - 69cm (centimeters) - 70cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Michelin Axial Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Campagnolo Chorus Ergo Levers Campagnolo Chorus Dual Pivot Brakes
Hubs for disc brakes	Campagnolo Chorus
Rims manufacturer	Mavic Open Pro
Spoke nipples type	Brass Nipples
Spoke wheel	14/15 Ga. Double-butted Wheelsmith Steel

Frame and Body Specs

Frame materials	Reynolds 853
Frame type	Fillet Brazed and lugged
Handlebar construction	Optional
Handlebar extender	Optional
Handlebar stem details	Optional
Headset size	1 (inches) Campagnolo Chorus

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Campagnolo Ultra Drive
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	102 (millimeters) Spindle Campagnolo Chorus
Crankset parts and sizes	39/53 Teeth Campagnolo Chorus
Gear shift levers	Campagnolo Chorus Ergo
Rear gear set	11 - 23 Teeth 9-speed

Romic Chorus 9 Speed Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Campagnolo Chorus
Derailleur (Rear)	Campagnolo Chorus
Fork material	Semi-sloping Crown Reynolds 853
Fork type	Romic

Other Specs of Romic Chorus 9 Speed

Component group sets	Campagnolo Chorus
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Optional
Seat post extension	27.0 (millimeters) Diameter Campagnolo Chorus