Estimate uses the published front tire 700C×23 · nominal 23-622 as a proxy, corroborated by the wheel size. Rear tire size is not published or verified. Approximate circumference; actual rollout varies with tire and pressure. Theoretical, not a maximum achievable speed.
Velopedia Bicycle Archive
2008 BH G4/ Ultegra SL
Original specifications: Shimano Ultegra SL drivetrain · 700c wheels.
Selling this bike? Create a shareable bike record
At a glance
- Model year
- 2008
- Category
- Road
- Original MSRP
- $4,799.00
- Sizes
- 54cm, 55.5cm, 57cm
- Colors
- White/Carbon
- In this record
- 22 specifications · original MSRP
- Archive ID
- 13783
Original buildBH G4 Nano Carbon · Shimano Ultegra SL · 700c wheels
Frameset
| Frame Construction | Monocoque |
|---|---|
| Frame Material | BH G4 Nano Carbon |
| Fork | BH Carbon HM UL |
| Fork Material | Carbon, aero crown |
Drivetrain
| Component Group | Shimano Ultegra SL |
|---|---|
| Shifters | Shimano Ultegra SL |
| Front Derailleur | Shimano Ultegra SL |
| Rear Derailleur | Shimano Ultegra SL |
| Crankset | Shimano Ultegra SL Compact, 34/50 teeth |
| Bottom Bracket | Shimano Hollowtech II |
| Cassette | SRAM |
| Rear Cogs | 10-speed, 11 - 26 teeth |
Brakes
| Brakes | Shimano Ultegra SL brakes, Shimano Ultegra SL levers |
|---|
Cockpit & Contact Points
| Handlebar | FSA Wing Pro |
|---|---|
| Handlebar Extensions | Not included |
| Stem | FSA OS-99 |
| Saddle | Pro Logo Nago Ti |
| Seatpost | Integrated Carbon Seat Mast |
Wheels & Tires
| Hubs | Shimano Dura-Ace SL |
|---|---|
| Rims | Shimano Dura-Ace SL |
| Front Tire | 700 x 23c Vittoria Rubino Pro |
| Wheel Size | 700c wheels |
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2008 BH G4/ Ultegra SL · Road race & triathlon · Published sizes: 54cm, 55.5cm, 57cm
Frame and fork
Inspect the frame and fork →Archived: Frame: Monocoque · Fork: BH Carbon HM UL · Carbon, aero crown
Drivetrain
Check drivetrain wear →Archived: Group: Shimano Ultegra SL · Shifters: Shimano Ultegra SL · Front derailleur: Shimano Ultegra SL · Rear derailleur: Shimano Ultegra SL · Crankset: Shimano Ultegra SL Compact, 34/50 teeth · Bottom bracket: Shimano Hollowtech II · Cassette: SRAM · Rear cogs: 10-speed, 11 - 26 teeth
Brakes
Inspect the brakes →Archived: Brakes: Shimano Ultegra SL brakes, Shimano Ultegra SL levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Shimano Dura-Ace SL · Hubs: Shimano Dura-Ace SL · Front tire: 700 x 23c Vittoria Rubino Pro
Controls and contact points
Archived: Handlebar: FSA Wing Pro · Stem: FSA OS-99 · Seatpost: Integrated Carbon Seat Mast · Saddle: Pro Logo Nago Ti
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help document firsthand fit, ride and maintenance details that may no longer be available.
This archive record has limited published detail. Share what would help another rider understand how this model fit, rode and held up over time. Velopedia reviews every contribution before publication.
Already contributed? Send me a fresh private edit link
For privacy, Velopedia shows the same confirmation whether or not an experience exists.
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.