Koga Miyata GRAN RACER 2004 VS Sampson Z7 PRO ROAD (06) 1999 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

Sampson z7 Pro Road (06)

General Infos

Model	z7 Pro Road (06)
Manufacturer	Sampson
Year of production	1999
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- Not available

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	Shimano 105 STI Levers Shimano 105 Dual Pivot Brakes
Hubs for disc brakes	Cane Creek
Rims manufacturer	24-hole and 28-hole Cane Creek
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Double-butted Cane Creek Stainless Steel

Frame and Body Specs

Frame materials	3Al and 2.5V Titanium
Frame type	TIG-welded
Handlebar construction	TTT Forma 2
Handlebar extender	Not Available
Handlebar stem details	TTT Synthesis
Headset size	1 (inches) Shimano 105

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-7700
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-5500
Crankset parts and sizes	39/53 Teeth Shimano 105
Gear shift levers	Shimano 105 STI Dual Control
Rear gear set	12 - 23 Teeth 9-speed

Sampson z7 Pro Road (06) Fork System Data

Derailleur (Front)	Bottom-pull and braze-on Shimano 105
Derailleur (Rear)	Shimano Dura-Ace
Fork material	Unicrown Crown Carbon Fiber Composite
Fork type	Kinesis Carbon 3

Other Specs of Sampson z7 Pro Road (06)

Component group sets	Road Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Titanium Rails Selle Italia Flite
Seat post extension	Thomson