FX 1 SO XL Dark Star

$699.99 Sale Save

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FX 1 is a versatile and sleek hybrid bike for riding all around town. Its perfect to ride for exercise, commuting, or fun. You get price-conscious parts that still deliver a big range of speeds, disc brakes that let you stop on a dime, and loads of mounts for accessories.
  • Confident disc braking means bad weather doesnt have to keep you from enjoying your ride
  • The cables are routed internally, which protects them from the elements and adds to the bikes sleek look
  • Its easy to accessorize with racks, a kickstand, fenders, lights, and more!
  • Like every Trek hybrid, its backed by a lifetime warranty and supported by a wide network of retail partners

Upgrade your pedals and love your bike more

Pedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.


Frame Alpha Gold Aluminum, internal cable routing, rack & fender mounts, post mount disc, kickstand mount, 135x5mm QR
Fork FX steel, flat-mount disc, rack mounts, 410mm axle-to-crown, ThruSkew 5mm QR
Tire Bontrager H2 Comp, wire bead, 30 tpi, 700x35mm
Hub Front Formula DC-20, alloy, 6-bolt, 5x100mm QR
Hub Rear Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
Skewer Front 139x5mm bolt-on
Skewer Rear 152x5mm QR
Shifter Shimano EF500, 8 speed
Front Derailleur Shimano Tourney TY606, 31.8/34.9mm clamp, top swing, dual pull
Rear Derailleur Shimano Acera M3020-8, 40T max cog
Crank Forged alloy, 46/30, 170mm length
Bottom Bracket Sealed cartridge, 68mm
Cassette Shimano HG200, 12-32, 8 speed
Chain KMC Z8.3
Brake Tektro MD-U310 mechanical disc
Brake Rotor Tektro wave, 6-bolt, 160mm
Pedal Wellgo nylon platform
Saddle Bontrager Sport
Seatpost Bontrager alloy, 27.2mm, 12mm offset, 400mm length
Handlebar Bontrager Riser, steel, 25.4mm, 30mm rise, 620mm width
Stem Bontrager alloy, 25.4mm clamp, 10 degree, 110mm length
Grips Trek Ergonomic Comp, lock-on

Geometry Chart

B B Drop 6.5
B B Height 28.5
Chainstay Length 44.7
Eff Top Tube 61.3
Frame Reach 40.9
Frame Size Letter XL
Frame Size Number 60
Frame Stack 64.8
Head Angle 72.5°
Head Tube Length 21.5
Offset 5
Seat Tube 52
Seat Tube Angle 72.5°
Standover 83.6
Trail 5.8
Wheelbase 108.7
Wheel Size 700c