Bicycle Archive ยท Specification reportVelopedia Archive ID 18406
| Model year | 2009 |
|---|---|
| Brand | BH |
| Model | G4/ Dura-Ace Di2 |
| Bicycle type | Road race & triathlon |
| Archive ID | 18406 |
| Original MSRP | $9,400.00 |
| Colors | Red |
| Sizes | 52cm, 54cm, 55.5cm, 57cm, 58.5cm |
| Frame construction | Bonded/monocoque |
|---|---|
| Frame material | High Modulus carbon fiber |
| Fork material | Carbon fiber/carbon fiber steerer, aero crown |
| Rear shock | N/A |
| Component group | Shimano Dura-Ace Di2 Electric |
|---|---|
| Shifters | Shimano Dura-Ace Di2 |
| Front derailleur | Shimano Dura-Ace Di2 |
| Rear derailleur | Shimano Dura-Ace Di2 |
| Crankset | Shimano Dura-Ace, 34/50 teeth |
| Bottom bracket | Shimano Hollowtech II |
| Cassette | Shimano Dura-Ace |
| Rear cogs | 10-speed, 11 - 25 teeth |
| Brakes | Shimano Dura-Ace Dual Pivot brakes, Shimano Dura-Ace Di2 levers |
|---|
| Headset | 1 1/8" FSA Orbit CE Plus |
|---|---|
| Handlebar | FSA SLK Carbon compact |
| Handlebar extensions | Not included |
| Stem | FSA OS-99 |
| Saddle | Selle San Marco Aspide CS Ti |
| Seatpost | Integrated |
| Hubs | Shimano Dura-Ace CL |
|---|---|
| Rims | Shimano Dura-Ace CL |
| Front tire | 700 x 23c Vittoria Diamante Pro Light |
| Wheel size | 700c wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 9, 2026.