Koga Miyata GRAN RACER 2004 VS Rocky Mountain OXYGEN 30 AC 2010 specs comparison

Koga Miyata Gran Racer

General Infos

Model	Gran Racer
Manufacturer	Koga Miyata
Year of production	2004
Current price	Check price Here ==>
Color choice	-Blue Matte
Sizes	- 46cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 63cm (centimeters) - 66cm (centimeters)
Sizes	- 46cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 63cm (centimeters) - 66cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Continental Grand Prix
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Tiagra STI Dual Control Levers Shimano Tiagra Dual Pivot Brakes
Hubs for disc brakes	Shimano Tiagra
Rims manufacturer	36-hole Mach1 RJ350
Spoke nipples type	Brass Nipples
Spoke wheel	Straight Gauge Sapim Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	ITM Super Italian Pro 330
Handlebar extender	Not Available
Handlebar stem details	ITM Forged Lite Luxe
Headset size	1 1/8 (inches) Integrated Cane Creek ISDD

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-UN53
Crankset parts and sizes	30/42/52 Teeth Shimano Tiagra
Gear shift levers	Shimano Tiagra STI Dual Control
Rear gear set	12 - 25 Teeth 9-speed

Koga Miyata Gran Racer Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Tiagra
Derailleur (Rear)	Shimano Tiagra SS
Fork material	Aero Crown Carbon Fiber
Fork type	Carbon Aero

Other Specs of Koga Miyata Gran Racer

Component group sets	Road Mix
Pedals details	Koga VP-R70
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Base
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust

Rocky Mountain Oxygen 30 AC

General Infos

Model	Oxygen 30 AC
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	-Black and White
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 Tiagra STI Levers Tektro R310 Dual Pivot Brakes
Hubs for disc brakes	Shimano R500A
Rims manufacturer	Shimano R500A
Spoke nipples type	Not Available
Spoke wheel	Wheelset 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	FSA Wing Compact
Handlebar extender	Optional
Handlebar stem details	RMB Flip and flop 31.8 (millimeters)
Headset size	FSA Orbit CS

Gearing Specifications

Bicycle chain	Shimano Tiagra
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	30/39/50 Teeth FSA Omega
Gear shift levers	Shimano Tiagra STI
Rear gear set	12 - 25 Teeth 9-speed

Rocky Mountain Oxygen 30 AC Fork System Data

Derailleur (Front)	Clamp On 34.9 (millimeters) Shimano Tiagra
Derailleur (Rear)	Shimano Tiagra
Fork material	Carbon With Alloy Steerer
Fork type	Not Available

Other Specs of Rocky Mountain Oxygen 30 AC

Component group sets	Shimano Tiagra Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Rocky Mountain Road
Seat post extension	31.6 (millimeters) Diameter RMB