Bicycle Archive · Specification report2009 BH G4/ Dura-Ace · 2008 BH G4/ Dura-Ace
| Specification | 2009 BH G4/ Dura-Ace | 2008 BH G4/ Dura-Ace |
|---|---|---|
| Overview | ||
| Model year | 2009 | 2008 |
| Brand | BH | BH |
| Model | G4/ Dura-Ace | G4/ Dura-Ace |
| Bicycle type | Road race & triathlon | Road race & triathlon |
| Archive ID | 18407 | 13780 |
| Original MSRP | $7,150.00 | $6,150.00 |
| Colors | Red | White/Carbon |
| Sizes | 52cm, 54cm, 55.5cm, 57cm, 58.5cm | 54cm, 55.5cm, 57cm |
| Frameset | ||
| Frame construction | Bonded/monocoque | Monocoque |
| Frame material | High Modulus carbon fiber | BH G4 Nano Carbon |
| Fork | — | BH Carbon HM UL |
| Fork material | Carbon fiber/carbon fiber steerer, aero crown | Carbon, aero crown |
| Rear shock | N/A | N/A |
| Drivetrain | ||
| Component group | Shimano Dura-Ace | Shimano Dura-Ace |
| Shifters | Shimano Dura-Ace STI | Shimano Dura-Ace STI |
| Front derailleur | Shimano Dura-Ace | Shimano Dura-Ace |
| Rear derailleur | Shimano Dura-Ace | Shimano Dura-Ace |
| Crankset | Shimano Dura-Ace, 34/50 teeth | Shimano Dura-Ace Hollowtech II, 39/53 teeth |
| Bottom bracket | Shimano Hollowtech II | Shimano Hollowtech II |
| Cassette | Shimano Dura-Ace | Shimano Dura-Ace |
| Rear cogs | 10-speed, 11 - 25 teeth | 10-speed, 12 - 25 teeth |
| Brakes | ||
| Brakes | Shimano Dura-Ace Dual Pivot brakes, Shimano Dura-Ace STI levers | Shimano Dura-Ace brakes, Shimano Dura-Ace levers |
| Cockpit & contact points | ||
| Headset | 1 1/8" FSA Orbit CE Plus | — |
| Handlebar | FSA SLK Carbon compact | FSA SLK Carbon |
| Handlebar extensions | Not included | Not included |
| Stem | FSA OS-99 | FSA OS-99 |
| Saddle | Selle San Marco Aspide CS Ti | Pro Logo Nago Ti |
| Seatpost | Integrated | Integrated Carbon Seat Mast |
| Wheels & tires | ||
| Hubs | Shimano Dura-Ace CL | Shimano Dura-Ace CL |
| Rims | Shimano Dura-Ace CL | Shimano Dura-Ace CL |
| Front tire | 700 x 23c Vittoria Diamante Pro Light | 700 x 23c Vittoria Diamante Pro Light |
| Wheel size | 700c wheels | 700c wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 9, 2026.