BH G4/ DURA-ACE DI2 2009 VS Koga Miyata GRAN RACER 2004 specs comparison

BH G4/ Dura-Ace Di2 2009 comparison online with competitors

BH G4/ Dura-Ace Di2

General Infos
Model G4/ Dura-Ace Di2
Manufacturer BH
Year of production 2009
Current price Check price Here ==>   
Color choice -Red
Sizes - 52cm (centimeters)
- 54cm (centimeters)
- 55.5cm (centimeters)
- 57cm (centimeters)
- 58.5cm (centimeters)
Sizes - 52cm (centimeters)
- 54cm (centimeters)
- 55.5cm (centimeters)
- 57cm (centimeters)
- 58.5cm (centimeters)

Wheels And Breaking System

Bike front tire700 X 23c Vittoria Diamante Pro Light
Bike rear tireNot Available
Bike wheel sizeNot Available
Brakeset type Shimano Dura-Ace Di2 Levers
Shimano Dura-Ace Dual Pivot Brakes
Hubs for disc brakesNot Available
Rims manufacturerShimano Dura-Ace CL
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsHigh Modulus Carbon Fiber
Frame typeBonded and monocoque
Handlebar constructionFSA SLK Carbon Compact
Handlebar extenderOptional
Handlebar stem detailsFSA OS-99
Headset size1 1/8 (inches) FSA Orbit CE Plus

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeShimano Hollowtech II
Crankset parts and sizes 34/50 Teeth
Shimano Dura-Ace
Gear shift leversShimano Dura-Ace Di2
Rear gear set 11 - 25 Teeth
10-speed

BH G4/ Dura-Ace Di2 Fork System Data

Derailleur (Front)Shimano Dura-Ace Di2
Derailleur (Rear)Shimano Dura-Ace Di2
Fork material Aero Crown
Carbon Fiber and carbon Fiber Steerer
Fork typeNot Available

Other Specs of BH G4/ Dura-Ace Di2

Component group setsShimano Dura-Ace Di2 Electric
Pedals detailsNot Available
Rear shock absorberNot Available
Saddle seatSelle San Marco Aspide CS Ti
Seat post extensionIntegrated


Koga Miyata Gran Racer 2004 comparison online with competitors

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)

Wheels And Breaking System

Bike front tire700 X 23c Continental Grand Prix
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type Shimano Tiagra STI Dual Control Levers
Shimano Tiagra Dual Pivot Brakes
Hubs for disc brakesShimano Tiagra
Rims manufacturer 36-hole
Mach1 RJ350
Spoke nipples typeBrass Nipples
Spoke wheel Straight Gauge
Sapim Stainless Steel

Frame and Body Specs

Frame materials7005 aluminum c
Frame typeTIG-welded
Handlebar constructionITM Super Italian Pro 330
Handlebar extenderNot Available
Handlebar stem detailsITM Forged Lite Luxe
Headset size1 1/8 (inches) Integrated Cane Creek ISDD

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
Shimano CN-HG73
Bottom bracket shell width68 (millimeters) English
Bottom bracket type 113 (millimeters) Spindle
Shimano BB-UN53
Crankset parts and sizes 30/42/52 Teeth
Shimano Tiagra
Gear shift leversShimano 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 typeCarbon Aero

Other Specs of Koga Miyata Gran Racer

Component group setsRoad Mix
Pedals detailsKoga VP-R70
Rear shock absorberNot Available
Saddle seatSelle San Marco Base
Seat post extension 27.2 (millimeters) Diameter
Aluminum Micro-adjust


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