BH G4/ DURA-ACE DI2 2009 VS Koga Miyata GRAN RACER 2004 specs comparison
BH G4/ Dura-Ace Di2
General InfosModel | 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 tire | 700 X 23c Vittoria Diamante Pro Light |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | Shimano Dura-Ace Di2 Levers Shimano Dura-Ace Dual Pivot Brakes |
Hubs for disc brakes | Not Available |
Rims manufacturer | Shimano Dura-Ace CL |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | High Modulus Carbon Fiber |
Frame type | Bonded and monocoque |
Handlebar construction | FSA SLK Carbon Compact |
Handlebar extender | Optional |
Handlebar stem details | FSA OS-99 |
Headset size | 1 1/8 (inches) FSA Orbit CE Plus |
Gearing Specifications
Bicycle chain | Not Available |
Bottom bracket shell width | Not Available |
Bottom bracket type | Shimano Hollowtech II |
Crankset parts and sizes | 34/50 Teeth Shimano Dura-Ace |
Gear shift levers | Shimano 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 type | Not Available |
Other Specs of BH G4/ Dura-Ace Di2
Component group sets | Shimano Dura-Ace Di2 Electric |
Pedals details | Not Available |
Rear shock absorber | Not Available |
Saddle seat | Selle San Marco Aspide CS Ti |
Seat post extension | Integrated |
Koga Miyata Gran Racer
General InfosModel | 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 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 |
Useful links and guides ....
- To know more about this exacte bike, BH provided us with the latest version of its G4/ Dura-Ace Di2 bike manual
- Find All parts, tires and accessories of BH G4/ Dura-Ace Di2 Road here
- Get your Koga Miyata Gran Racer manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Koga Miyata Gran Racer Road here