FX Sport 6 | Trek Bikes

Overview

You want the fastest fitness bike you can get—one that can hold its own with any road bike out there. You want to keep up with faster group rides, put on more miles, set new Strava PRs, and leave a pack of roadies in your dust as you sprint to the town line.

A lightweight 400 Series OCLV Carbon frame with a carbon fork, a 1x Shimano GRX/SLX drivetrain with a wide range of gearing, hydraulic disc brakes, hidden fender mounts, a lightweight Bontrager Aeolus Elite 35 carbon wheelset with high-quality tubeless-ready Bontrager GR1 Team Issue gravel tires, and a vibration-absorbing handlebar with ergonomic grips.

The fastest fitness bike. Period. A lightweight OCLV Carbon frame and fork, a high-performance 1x drivetrain, and a light and responsive carbon wheelset make FX Sport 6 the ideal ride for anyone who wants to ride ridiculously fast and crush fitness milestones.

A fitness bike that's every bit as fast and capable as the race bikes found in our road lineup
The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter
The cables are routed internally, which protects them from the elements and adds to the bike's sleek look
It's easy to accessorize with fenders, lights, and more!

NEW

2023

FX Sport 5

$2,099.99

NEW

2023

FX Sport 4

$1,799.99

SALE

2021

FX Sport 4

$1,499.99 | $1,784.99

2023

FX 3 Disc

$1,049.99

2023

FX 3 Disc Stagger

$1,049.99

2023

FX 2 Disc Stagger

$799.99

2023

FX 2 Disc

$799.99

2021

FX 2 Disc

$729.99

2023

FX 1 Disc

$699.99

2023

FX 1 Disc Stagger

$699.99

NEW

2023

FX 1

$599.99

NEW

2023

FX 1 Stagger

$599.99

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How NYC barber Julien Howard uses his bicycle to provide an out-of-the-box experience

Bontrager NCS Fender Set

$69.99

Bontrager Comp Multi-Tool

$14.99

Bontrager MIK Utility Trunk Bag

$134.99

Bontrager BackRack Disc MIK

$46.99

Electra Bar End Mirror

$19.99 - $29.99

Features

Customize your bike with fenders, racks, bottle cages, and more to make it your own.

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A 1x drivetrain means more versatility, simpler shifting and less things to go wrong. You still have a wide range of gears, but with lighter and more intuitive shifting. Everything you need and nothing more.

The all-new FX Sport has slightly less reach and slightly more stack than previous models for a more comfortable yet active and fast riding position.

Ultra high performance, within reach. The areal weight range and modulus mix of 400 Series OCLV provides an exhilarating sense of acceleration and confident handling.

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Lightweight, full carbon fork soaks up hand-numbing road vibration for a more comfortable ride.

Hydraulic disc brakes offer the absolute strongest stopping power in all conditions, including wet and muddy.

Suspension for your hands. Our exclusive vibration-damping IsoZone material absorbs road bumps and buzz, giving you more control and an incredibly comfortable ride.

DuoTrap S (sold separately) integrates a Bluetooth®/ANT+ sensor into the frame. Log routes and track fitness progress on your computer or smart phone with no external sensor. Works with all major ANT+ wireless players, including Bontrager, Garmin, PowerTap, and SRM.

Cables are routed directly into the head tube and through the bike's tubes for a clean look that prevents cables and housing from getting dirty.

Bontrager stem technology lets you clip your gear directly to the stem for clean looks, maximum user friendliness.

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40mm wide gravel tires deliver all-terrain performance. If you don't want to use fenders, you can fit tires up to 42mm wide.

Bontrager TLR (Tubeless Ready) Road is the first fully integrated tubeless system for road wheels. When you go tubeless with TLR, you can run lower tire pressure for increased traction and comfort without the threat of pinch flats.

Carry more and stay drier when you add a Bontrager rack and fenders. We recommend Bontrager NCS-1 fenders in size large. For a rack, simply follow Bontrager’s rack sizing guidelines for a perfect fit.

Going for a long ride? Pack all the nutrition and gear you need by adding a Bontrager frame bag using the integrated mounts on the underside of the top tube.

Specs

Frame with Fork	400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 135x5mm ThruSkew
Fork	Carbon, hidden fender mounts, flat mount disc, 5x100mm thru-skew

Wheel front	Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, 100x5mm QR
Wheel rear	Bontrager Aeolus Elite 35, OCLV Carbon, Tubeless Ready, Shimano 11-speed freehub, 135x5mm skewer
Skewer front	135x5mm bolt-on
Skewer rear	169x5mm bolt-on
Tire	Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40c
Max tire size	42c without fenders, 40c with fenders

Shifter	Shimano RS700, 11 speed
Rear derailleur	Shimano GRX RX812, long cage, 42T max cog
*Crank	Size: XS, S Shimano GRX RX600, 40T ring, 170mm length
Size: M, L, XL Shimano GRX RX600, 40T ring, 175mm length
Bottom bracket	Shimano RS500, 86mm, PressFit
Cassette	Shimano SLX M7000, 11-42, 11 speed
Chain	Shimano HG601
Pedal	VPE-993T
Max chainring size	44T

Saddle	Bontrager Montrose Comp, steel rails, 138mm width
Seatpost	Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length
*Handlebar	Size: XS, S, M Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 600mm width
Size: L, XL Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 660mm width
Grips	Bontrager Satellite IsoZone Plus, lock-on, ergonomic
*Stem	Size: XS Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length
Size: S, M Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 100mm length
Size: L, XL Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 110mm length
Brake	Shimano hydraulic disc, MT201 lever, UR300 caliper
Brake rotor	Shimano RT10, centerlock, 160mm
Rotor size	Max brake rotor size: 160mm

Weight	M - 9.47 kg / 20.88 lbs
Weight limit	This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

Sizing

Geometry

Service

Reviews

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More options

FX Sport 5

FX Sport 4

FX Sport 4

FX 3 Disc

FX 3 Disc Stagger

FX 2 Disc Stagger

FX 2 Disc

FX 2 Disc

FX 1 Disc

FX 1 Disc Stagger

FX 1

FX 1 Stagger

Great Ride Series: Andre' Holland

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Electra Bar End Mirror

FX carbon fork

Hydraulic disc brakes

IsoZone handlebar and grips

DuoTrap S compatible

Sleek cable integration

Blendr stem

Learn more

Wide, grippy tires

Tubeless Ready rims

Hidden rack and fender mounts

Frame bag mounts