Velopedia Bicycle Archive

2009 BH G4 Red

Original specifications: SRAM Red drivetrain · 700c wheels.

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At a glance

Archive #18408

Model year: 2009
Category: Road
Original MSRP: $6,140.00
Sizes: 52cm, 54cm, 55.5cm, 57cm, 58.5cm
Colors: White/Blue
In this record: 22 specifications · archived image · original MSRP

Original buildHigh Modulus carbon fiber · SRAM Red · 700c wheels

Manufacturer catalog

Published sizes and colors

5 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

52cm54cm55.5cm57cm58.5cm

Published colors

White/Blue

Frameset

Frame Construction	Bonded/monocoque
Frame Material	High Modulus carbon fiber
Fork Material	Carbon fiber/carbon fiber steerer, aero crown

Drivetrain

Component Group	SRAM Red
Shifters	SRAM Red Double Tap
Front Derailleur	SRAM Red
Rear Derailleur	SRAM Red
Crankset	SRAM Red, 34/50 teeth
Bottom Bracket	SRAM Red
Cassette	SRAM Red
Rear Cogs	10-speed, 11 - 26 teeth

Brakes

Brakes	SRAM Red brakes, SRAM Red Double Tap levers

Cockpit & Contact Points

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

Wheels & Tires

Hubs	Mavic R-SYS
Rims	Mavic R-SYS
Front Tire	700 x 23c Vittoria Diamante Pro Light
Wheel Size	700c wheels

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

Pedal cadence

RPM

Speed units

RPM = pedal turns per minute.

All published sizes50/34T · 11–26T · 10-speed

Lowest1.31:1 Highest4.55:1 Total range348%

Estimated speed At 90 RPM Lowest gear9.2 mph Highest gear32.0 mph

Uses front tire 700C×23; rear size isn’t listed.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Gears Drivetrain

Front teeth Smallest rear teeth Largest rear teeth

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Rear tire marking

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

Rim diameter (BSD, mm) Tire width (mm)

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Cadence (RPM) Speed units

Gear, dimension and cadence changes update results automatically.

Gearing comparison
Measure	Original	Your setup
Lowest ratio	—	—
Highest ratio	—	—
Total range	—	—
Lowest-gear speed	—	—
Highest-gear speed	—	—

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications

Front tire · Original

700 x 23c Vittoria Diamante Pro Light

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Retailer offers

Vittoria Rubino Pro G2.0 Clincher Tire Black, 700x23

700x23c

Replacement option

Competitive Cyclist ↗$41.10

Bottom bracket · Original

SRAM Red

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Crankset · Original

SRAM Red

34/50 teeth

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More parts (8)Fewer parts

Front derailleur · Original

SRAM Red Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.

Search eBay

Rear derailleur · Original

SRAM Red Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.

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Shifters · Original

SRAM Red Double Tap Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.

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Handlebar · Original

FSA SLK Carbon compact

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Stem · Original

FSA OS-99

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Headset · Original

1 1/8" FSA Orbit CE Plus

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Rims · Original

Mavic R-SYS

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Hubs · Original

Mavic R-SYS

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Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.

Parts and service referenceQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire: 700 x 23c Vittoria Diamante Pro Light
Drivetrain: 10-speed
Bottom bracket / shell: SRAM Red

Equipment inspection checks 9 checks based on 5 archived component groups Open equipment checksClose equipment checks

Checks selected from the archived equipment. Confirm what is fitted today. This is not a complete safety inspection; use the full inspection guide before test riding.

Full used-bike inspection guide →

Frame and fork

Inspect the frame and fork →

Archived: Frame: Bonded/monocoque · Fork: · Carbon fiber/carbon fiber steerer, aero crown

Inspect the frame in bright light, especially the head tube, bottom-bracket area, chainstays and clamped surfaces. Look for cracks, ripples, crushed sections or signs of impact.

Drivetrain

Check drivetrain wear →

Archived: Group: SRAM Red · Shifters: SRAM Red Double Tap · Front derailleur: SRAM Red · Rear derailleur: SRAM Red · Crankset: SRAM Red, 34/50 teeth · Bottom bracket: SRAM Red · Cassette: SRAM Red · Rear cogs: 10-speed, 11 - 26 teeth

Shift through every available gear under light load. Hesitation, skipping or inconsistent indexing can reflect wear, damage, poor adjustment or mismatched replacement parts.
Measure chain wear with a compatible gauge and inspect chainring, cassette or freewheel teeth. A new chain does not rule out wear in the remaining drivetrain.
Turn the cranks slowly, feel for rough bearings and check for side-to-side play. Inspect crank arms, chainring bolts and pedal threads for looseness or damage.

Brakes

Inspect the brakes →

Archived: Brakes: SRAM Red brakes, SRAM Red Double Tap levers

Inspect pads and braking surfaces, check the complete cable or hose path, and confirm both controls feel consistent and return cleanly.

Wheels and tires

Check wheels and tires →

Archived: Wheel size: 700c wheels · Rims: Mavic R-SYS · Hubs: Mavic R-SYS · Front tire: 700 x 23c Vittoria Diamante Pro Light

Spin both wheels and watch for side-to-side and vertical movement. Check spoke tension, rim condition and hub play.
Inspect both tire casings for cuts, cracking, plugs, bulges or exposed threads and confirm the installed sizes are safe for the rims and available frame and fork clearance.

Controls and contact points

Archived: Headset: 1 1/8" FSA Orbit CE Plus · Handlebar: FSA SLK Carbon compact · Stem: FSA OS-99 · Seatpost: Integrated · Saddle: Selle San Marco Aspide CS Ti

Apply the front brake and rock the bike to check for headset play or notchiness. Inspect the stem, handlebar and clamp zones, then confirm every fastener and control is secure. Look particularly closely for crushing, scoring or cracks at carbon handlebar clamp areas.
Check that the seatpost moves for adjustment and that the saddle, post and clamp hold securely without cracks, severe corrosion or damaged hardware.

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

2009 BH G4 Red