How does it differ from the aluminum Trek FX models?

The FX Sport 4 uses a carbon frame, which cuts weight and damps road buzz. Aluminum FX bikes are cheaper but heavier and usually come with mechanical or lower-tier disc brakes.

Is the 1x10 gearing enough for hills?

It covers most rolling terrain and city riding fine. On long or steep climbs, the single chainring gives a narrower range than a 2x drivetrain, so stronger riders may want a smaller chainring.

What brakes does it have?

It has hydraulic disc brakes, which give strong stopping power and consistent lever feel in wet weather. They need less hand effort than mechanical discs.

What is included with the bike?

It ships as a complete bike. Pedals are typically basic flat pedals, and Trek dealers usually include a fitting; confirm accessories with the store.

When is the best time to buy it?

Only one store lists it new, so there is no sale history to time. Watch for end-of-season clearance on prior-year colors.

Is the Trek FX Sport 4 worth it?

You pay a premium for the carbon frame and hydraulic brakes. If you want a light flat-bar bike for fitness and commuting, it is a fair buy; if budget matters, aluminum FX models cost less.

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This hour's deals

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Outdoors · The Bike Shop

Trek's fast fitness bike for weekend miles

Name: Trek FX Sport 4 Road Bike
Brand: Trek
Availability: InStock

Trek FX Sport 4 Road Bike

Deal score 5.4 · Good deal

$1,380.85$2,000.00 usual price

You save $619.15 at The Bike Shop

This deal was in an earlier drop. The store may have changed its price since.

Why it's a great deal

Google Shopping says it usually sells for $2,000.00
Rated 4.9 out of 5 by 22 buyers

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Every store we checked

The Bike ShopNew
In stock
$1,380.85Observed at 4:28 PM
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Danny's CyclesNew
In stock
$1,999.99Observed at 4:28 PM
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Wheels In MotionNew
In stock
$1,999.99Observed at 4:28 PM
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Big Sky CyclingNew
In stock
$1,999.99Observed Nov 8, 2026, 5:32 AM
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trekofclt.comNew
Availability unknown
$1,349.97Observed Nov 8, 2026, 5:32 AM
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Ocala Bicycle CenterNew
Availability unknown
$1,799.99Observed Nov 8, 2026, 5:32 AM
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BikeExchangeNew
Availability unknown
$1,899.99Observed Nov 8, 2026, 5:32 AM
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jvbicycles.comNew
Availability unknown
$1,999.99Observed Nov 8, 2026, 5:32 AM
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Idaho Mountain TouringNew
Availability unknown
$1,999.99Observed Nov 8, 2026, 5:32 AM
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Greenwich BicyclesNew
Availability unknown
$1,999.99Observed Nov 8, 2026, 5:32 AM
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S&W SportsNew
Availability unknown
$1,999.99Observed Nov 8, 2026, 5:32 AM
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George Garner CycleryNew
Availability unknown
$1,999.99Observed Nov 7, 2026, 11:13 PM
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Western CycleNew
Availability unknown
$1,999.99Observed Nov 7, 2026, 11:13 PM
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campuscycles.comNew
Availability unknown
$1,999.99Observed Nov 7, 2026, 11:13 PM
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Cahaba CyclesNew
Out of stock
$1,999.99Observed Nov 8, 2026, 5:32 AM
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Price history and every store's price →

Reading The Bike Shop’s product page for the details…

Specs

Frame Material: Carbon
Color: Matte Onyx Carbon
With Hydraulic Brake: Yes
Number Of Speeds: 10 speed

About the Trek FX Sport 4 Road Bike

The Trek FX Sport 4 is a carbon-framed fitness bike with a flat bar, hydraulic disc brakes and a 1x10 drivetrain. It sits between a road bike and a commuter: light, quick and upright enough for traffic. Riders rate it 4.9 out of 5 from 19 ratings and call it light, quick and comfortable, with brakes that inspire confidence. Against aluminum FX models it is lighter and better braked, but the single-chainring gearing is narrower for steep climbs.

Best forFitness riders who want a light, fast flat-bar bikeCommuters mixing bike paths and city streetsRoad riders who prefer an upright positionRiders stepping up from an aluminum hybrid

Pros

Carbon frame keeps weight low for a flat-bar bike
Hydraulic disc brakes give strong, consistent stopping
1x10 gearing is simple, with no front derailleur to adjust
Flat bar and stable geometry suit traffic and bike paths
Trek backs it with a lifetime frame warranty

Cons

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