GT TACHYON 2.0 GTW 2011 VS Rocky Mountain OXYGEN 50 AC 2009 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

Rocky Mountain Oxygen 50 AC

General Infos

Model	Oxygen 50 AC
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-Red
Sizes	- 48cm (centimeters) - 51cm (centimeters) - 54cm (centimeters) - 57cm (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Vittoria Zaffiro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano 105 STI Levers FSA Gossamer Brakes
Hubs for disc brakes	Shimano RS10
Rims manufacturer	Shimano RS10
Spoke nipples type	Not Available
Spoke wheel	Shimano

Frame and Body Specs

Frame materials	7005 Triple Butted Aluminum With Delta Process TT & Carbon Seatstays
Frame type	TIG-welded and bonded
Handlebar construction	Easton EA30 Road
Handlebar extender	Optional
Handlebar stem details	Easton EA30 31.8
Headset size	1 1/8 (inches) FSA Orbit CS

Gearing Specifications

Bicycle chain	Shimano 105
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	34/50 Teeth FSA Gossamer
Gear shift levers	Shimano 105 STI
Rear gear set	12 - 27 Teeth 10-speed

Rocky Mountain Oxygen 50 AC Fork System Data

Derailleur (Front)	Shimano 105
Derailleur (Rear)	Shimano Ultegra
Fork material	Aero Crown Carbon With Alloy Steerer
Fork type	Not Available

Other Specs of Rocky Mountain Oxygen 50 AC

Component group sets	Shimano 105
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Ponza
Seat post extension	31.6 (millimeters) Diameter Carbon