Trek FX Sport Carbon 4 2021

$2,199.99

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. An IsoSpeed decoupler smooths out rough roads and the 1×11 drivetrain simplifies shifting without sacrificing gear range, making this high-performance bike perfect for everything from solo workouts to speedy group rides.

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Specifications

*spec applies to all sizes unless otherwise noted

Frameset

Frame 400 series OCLV carbon, IsoSpeed, internal routing, 3s chain keeper, DuoTrap S-compatible, mudguard mounts, flat-mount disc, 142×12 mm thru axle
Fork FX Carbon, threadless alloy steerer, hidden mudguard mounts, flat-mount disc, 405 mm axle-to-crown, 100×12 mm thru axle
Wheels

Front hub Formula alloy, CenterLock disc, 100×12 mm thru-axle
Rear hub Shimano RXC400, CenterLock, Shimano 11-speed freehub, 142×12 mm thru axle
Rim Bontrager Tubeless Ready Disc, 32-hole, Presta valve
Spokes 14 g stainless steel, black
Tire Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700×32 c
Drivetrain

Shifter Shimano RS700, 11-speed
Rear derailleur Shimano GRX RX812, long cage, 42T max cog
*Crank Size: XS, S
Shimano GRX RX600, 40T ring, 170 mm length
Size: M, L, XL
Shimano GRX RX600, 40T ring, 175 mm length
Bottom bracket Shimano BB71, 86.5mm, PressFit
Cassette Shimano SLX M7000, 11-42, 11-speed
Chain Shimano HG601
Pedal Wellgo M141, resin body, alloy cage
Components

Saddle Bontrager H1
Seatpost Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
*Handlebar Size: XS, S
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm width
Size: M, L, XL
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 660 mm width
Grips Bontrager Satellite IsoZone Plus, lock-on, ergonomic
*Stem Size: XS
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length
Size: S, M
Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 100 mm length
Size: L, XL
Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 110 mm length
Headset 1-1/8″ threadless, sealed cartridge bearings
Brake Shimano MT201 hydraulic disc, flat-mount, 160 mm rotor
Brake rotor Shimano RT10, 160mm, centerlock