Hybrid Bike
Trek FX Sport 4
SKU5293165
FX Sport 4 is a carbon fiber fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar. The 1x drivetrain simplifies shifting without sacrificing gear range, making this high-performance bike perfect for everything from solo workouts to speedy group rides.
OVERVIEW
It's right for you if...
You're ready to log big miles, and you prefer the feel of a flat handlebar to the drop bars that come stock on most road bikes. You prioritize comfort and performance equally, and want the simplicity a 1x drivetrain provides.
The tech you get
A lightweight 400 Series OCLV Carbon frame and fork, a Shimano CUES 10-speed drivetrain with a wide-range cassette, Shimano hydraulic disc brakes for all-weather stopping power, a lightweight tubeless ready wheelset, wide, fast-rolling Bontrager GR1 Expert gravel tires, and a vibration-absorbing handlebar and ergonomic grips.
The final word
Fast, capable, comfortable. This bike has a road-smoothing carbon frame and quality parts that will hold up over serious miles, including the simpler-shifting 1x drivetrain.
SPECS
*Please note - spec applies to all sizes unless listed separately
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Frameset | |
Frame with Fork |
400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 135x5mm ThruSkew
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Fork |
Carbon, hidden fender mounts, flat mount disc, 100x5mm thru-skew
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Weight | |
Weight |
M - 10.46 kg / 23.07 lbs
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Weight limit |
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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Drivetrain | |
Shifter |
Shimano CUES U6000 w/optical gear display, 10 speed
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Rear derailleur |
Shimano CUES U6000 GS
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*Crank
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Size: XS, S
Prowheel alloy, 42T narrow-wide ring, 170mm length |
Size: M, L, XL
Prowheel alloy, 42T narrow-wide ring, 175mm length |
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Cassette |
Shimano CUES LG300, LINKGLIDE, 11-48, 10 speed
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Chain |
Shimano LG500, 9/10/11 speed
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Pedal |
Bontrager City pedals
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Wheels | |
Hub front |
Formula CL-51 alloy, 100x5mm QR
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Skewer front |
135x5mm bolt-on
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Hub rear |
Formula CL-52 alloy, 135x5mm QR
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Skewer rear |
169x5mm bolt-on
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Rim |
Bontrager Paradigm, Tubeless Ready, 32-hole, 21mm width, Presta valve
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Spokes |
14g stainless steel, black
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Tire |
Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40mm
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Components | |
Saddle | Bontrager H1 |
Seatpost |
Bontrager alloy, 27.2mm, 12mm offset, 330mm length
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*Handlebar
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Size: XS, S
Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 600mm width |
Size: M, L, XL
Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 660mm width |
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Grips |
Bontrager Satellite IsoZone Plus, lock-on, ergonomic
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*Stem
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Size: XS
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length |
Size: S, M
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length |
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Size: L, XL
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 110mm length |
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Brake |
Shimano hydraulic disc, MT201 lever, UR300 caliper
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Brake rotor |
Shimano RT10, centerlock, 160mm
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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, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.
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Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.
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SIZING GUIDE AND GEOMETRY
Size | Rider Height | Inseam |
---|---|---|
XS |
147 - 155 cm 4'10" - 5'1" |
69 - 73 cm 27" - 29" |
S |
155 - 165 cm 5'1" - 5'5" |
72 - 78 cm 28" - 31" |
M |
165 - 175 cm 5'5" - 5'9" |
77 - 83 cm 30" - 33" |
L |
175 - 186 cm 5'9" - 6'1" |
82 - 88 cm 32" - 35" |
XL |
186 - 197 cm 6'1" - 6'6" |
87 - 93 cm 34" - 37" |
All measurements provided in cm unless otherwise noted.
Frame size letter | XS | S | M | L | XL |
Wheel size | 700c | 700c | 700c | 700c | 700c |
A — Seat tube | 35.6 | 40.6 | 45.7 | 50.8 | 55.9 |
B — Seat tube angle | 75.0° | 74.5° | 74.0° | 73.5° | 72.5° |
C — Head tube length | 11.5 | 14 | 16.5 | 19 | 21.5 |
D — Head angle | 70.0° | 70.5° | 71.0° | 71.5° | 72.5° |
E — Effective top tube | 52.8 | 54.3 | 56.3 | 58.3 | 61.3 |
F — Bottom bracket height | 28.5 | 28.5 | 28.5 | 28.5 | 28.5 |
G — Bottom bracket drop | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 |
H — Chainstay length | 44.2 | 44.2 | 44.2 | 44.2 | 44.2 |
I — Offset | 5 | 5 | 5 | 5 | 5 |
J — Trail | 7.4 | 7.1 | 6.8 | 6.4 | 5.8 |
K — Wheelbase | 104.7 | 105.4 | 106.5 | 107.5 | 108.2 |
L — Standover | 70.8 | 75.1 | 78.7 | 81.2 | 84.8 |
M — Frame reach | 38.3 | 38.5 | 39.3 | 40 | 41 |
N — Frame stack | 54.3 | 56.8 | 59.4 | 62 | 64.8 |