Koga Miyata GRAN RACER 2004 VS Porter Frames THOR (04) 1998 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

Porter Frames Thor (04)

General Infos

Model	Thor (04)
Manufacturer	Porter Frames
Year of production	1998
Current price	Check price Here ==>
Color choice	-Custom
Sizes	- 44 cm (centimeters) - 46 cm (centimeters) - 48 cm (centimeters) - 50 cm (centimeters) - 52 cm (centimeters) - 54 cm (centimeters) - 56 cm (centimeters) - 58 cm (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 RX-100 Levers Shimano RX-100 Dual Pivot Brakes
Hubs for disc brakes	Shimano RX-100
Rims manufacturer	32-hole Campagnolo
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Profile
Handlebar extender	Optional
Handlebar stem details	Profile
Headset size	1 (inches) Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Not Available
Crankset parts and sizes	Shimano RX-100
Gear shift levers	Shimano RX-100 STI Dual Control
Rear gear set	8-speed

Porter Frames Thor (04) Fork System Data

Derailleur (Front)	Shimano RX-100 Top-swing
Derailleur (Rear)	Shimano RX-100 GS
Fork material	Unicrown Crown Chromoly
Fork type	Porter

Other Specs of Porter Frames Thor (04)

Component group sets	Shimano RX-100
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Vetta
Seat post extension	Profile