Trek FX S 4

2017 Model

Sale Regular price $1,499.00 $1,099.00

FX, put simply, means fitness. It offers a best-of-both-worlds combination of road bike speed and city bike comfort. It’s a perfect fitness bike, and so much more. FX is fast, fun, and agile enough for a multitude of uses. From fitness and commuting to errands and mellow Sunday loops, you'll find your ride on FX.

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Bike Specifications

Wheels

Wheels Formula TK31 alloy front hub; Formula TK32 alloy rear hub; Bontrager Tubeless Ready rims

Drivetrain

Shifters Shimano Tiagra, 10-speed
Crank Shimano R460, 48/34
Cassette Shimano Tiagra, 11-34, 10-speed

Components

Seatpost Bontrager SSR, 2-bolt head, 27.2mm, 12mm offset
Handlebar Bontrager Satellite Plus IsoZone, 31.8mm, 15mm rise
Brakeset Tektro alloy linear-pull brakes, Tektro adjustable-reach alloy levers
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 on Trek pre-production painted frames at the time of publication. Weights may vary in final production

Sizing & Fit

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorised Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs. Bike Sizing Diagram
All measurements provided in cm unless otherwise stated.
Frame size number 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
15 in 700c 38.1 74.5° 11.5 70.5° 54.4 28.5 6.2 44.5 5.0 7.0 105.7 69.3 39.4 54.1
17.5 in 700c 44.4 74.0° 13.0 70.5° 54.8 28.5 6.2 44.5 5.0 7.0 105.7 73.5 38.9 55.5
20 in 700c 50.8 73.5° 16.0 71.5° 56.8 28.5 6.2 44.5 4.5 7.0 105.8 78.3 39.4 58.9
22.5 in 700c 57.1 73.0° 19.0 72.5° 59.0 28.5 6.2 44.5 4.5 6.2 106.4 83.1 40.0 62.1
25 in 700c 63.5 72.0° 22.0 72.5° 60.3 28.5 6.2 44.5 4.5 6.2 106.5 87.7 39.2 65.0