FX Sport 6 | Trek Bikes
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NEW 2019

FX Sport 6

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$2,099.99 Model 24521
FX Sport 6 is the lightest and fastest fitness bike in the lineup. It has every performance feature of a high-end road bike, with the added benefit of a flat handlebar for additional comfort and control. A lightweight 400 Series OCLV Carbon frame with a road-smoothing IsoSpeed decoupler, carbon fork, and advanced Shimano drivetrain make it the best choice for serious fitness riders with serious goals.
FX Sport 6 is the lightest and fastest fitness bike in the lineup. It has every performance feature of a high-end road bike, with the added benefit of a flat handlebar for additional comfort and control. A lightweight 400 Series OCLV Carbon frame with a road-smoothing IsoSpeed decoupler, carbon fork, and advanced Shimano drivetrain make it the best choice for serious fitness riders with serious goals.
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It's right for you if...

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.

The tech you get

A lightweight 400 Series OCLV Carbon frame with a road-smoothing IsoSpeed decoupler, a carbon fork, an 11-speed Shimano 105 road drivetrain, Tektro hydraulic disc brakes, hidden fender mounts, a carbon fiber Bontrager seatpost, Bontrager Montrose Comp saddle, and a lightweight Bontrager alloy wheelset with thru-axles for better responsiveness and control.

The final word

The fastest fitness bike. Period. A lightweight OCLV Carbon frame with IsoSpeed, carbon fork, and performance Shimano 105 drivetrain make FX Sport 6 the ideal ride for anyone who wants to ride ridiculously fast and crush fitness milestones.

favorite_borderWhy you'll love it

  1. FX Sport 6 is incredibly fast, and it has the added comfort and control of a flat handlebar
  2. Fast is fun: FX Sport 6 is the quickest fitness bike on the road
  3. You can pair FX with your smartphone and send your ride data to your favorite fitness app when you add DuoTrap S
  4. It's easy to accessorize with fenders, lights, and more!

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Features

Specifications

  • Frameset

    Frame
    FX Sport 400 series OCLV carbon, IsoSpeed, 3s chain keeper, DuoTrap S compatible, Flat Mount disc, 12mm thru-axle, hidden fender mounts
    Fork
    FX Carbon, flat mount disc, hidden fender mounts
  • Wheels

    Front hub
    Bontrager alloy sealed bearing, 12mm alloy axle, centerlock
    Rear hub
    Bontrager alloy sealed bearing, 12mm alloy axle, centerlock
    Rims
    Bontrager Affinity, Tubeless Ready, 28h
    Tires
    Bontrager AW2 Hard-Case Lite, 700x32c
  • Drivetrain

    Shifters
    Shimano RS700, 11 speed
    Front derailleur
    Shimano 105
    Rear derailleur
    Shimano 105
    Crank
    Shimano 105, 50/34 (compact)
    Bottom bracket
    Press Fit BB86.5
    Cassette
    Shimano 105, 11-32, 11 speed
    Chain
    Shimano HG601, 11-speed
    Pedals
    Resin body, alloy cage, w/toe-clip & strap
  • Components

    Saddle
    Bontrager Montrose Comp
    Seatpost
    Bontrager Approved, alloy, 27.2mm
    Handlebar
    Bontrager Satellite Plus IsoZone, 31.8mm, 15mm rise
    Grips
    Bontrager Satellite IsoZone Plus, lock-on, ergonomic
    Stem
    Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts
    Headset
    Integrated, cartridge bearing, sealed, 1-1/8˝
    Brakeset
    Tektro HD-R310, hydraulic disc
  • Weight

    Weight
    M - 9.60 kg / 21.16 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.

 

Rider Height

All measurements provided in cm unless otherwise noted.

Frame size letter Wheel size A Seat tube B Seat tube angle C Head tube length D Head angle E Effective top tube F Bottom bracket height G Bottom bracket drop H Chainstay length I Offset J Trail K Wheelbase L Standover M Frame reach N Frame stack
L 700c 50.8 73.5° 18.5 71.5° 59.0 28.5 6.5 43.8 4.5 69.7 107.2 78.1 40.9 61.1
M 700c 45.7 74.0° 16.0 71.0° 57.0 28.5 6.5 43.8 5.0 67.6 106.7 74.3 40.3 58.4
S 700c 40.6 74.5° 13.5 70.5° 55.0 28.5 6.5 43.8 5.0 70.9 105.6 71.2 39.5 55.8
XL 700c 55.9 72.5° 21.0 72.5° 62.0 28.5 6.5 43.8 4.5 63.2 108.0 81.8 41.9 64.0
XS 700c 35.6 75.0° 11.0 70.0° 53.1 28.5 6.5 43.8 5.0 74.2 104.5 58.4 38.8 53.3

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