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2021

FX Sport 4

Model 600007

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 1x11 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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*Please note - spec applies to all sizes unless listed separately

Frame 400 series OCLV carbon, IsoSpeed, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 142x12mm thru axle
Fork FX Carbon, threadless alloy steerer, hidden fender mounts, flat mount disc, 405mm axle-to-crown, 100x12mm thru axle
Hub front Formula alloy, centerlock disc, 100x12mm thru-axle
Skewer front Bontrager Switch thru axle, removable lever
Hub rear Shimano RXC400, centerlock, Shimano 11-speed freehub, 142x12mm thru axle
Skewer rear Bontrager Switch thru axle, removable lever
Rim Bontrager Tubeless Ready Disc, 32-hole, Presta valve
Spokes 14g stainless steel, black
Tire Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32mm
Max tire size 700x35mm without fenders, 700x32mm with fenders
Shifter Shimano RS700, 11 speed
Rear derailleur Shimano GRX RX812, long cage, 42T max cog
*Crank Size: XS, S
Shimano GRX RX600, 40T ring, 170mm length
Size: M, L, XL
Shimano GRX RX600, 40T ring, 175mm length
Bottom bracket Shimano BB71, 86.5mm, PressFit
Cassette Shimano SLX M7000, 11-42, 11 speed
Chain Shimano HG601, 11 speed
Pedal Wellgo M141, resin body, alloy cage
Saddle Bontrager H1
Seatpost Bontrager alloy, 27.2mm, 12mm offset, 330mm length
*Handlebar 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
Grips Bontrager Satellite IsoZone Plus, lock-on, ergonomic
*Stem Size: XS
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length
Size: S, M
Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 100mm length
Size: L, XL
Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 110mm length
Headset 1-1/8'' threadless, sealed cartridge bearings
Brake Shimano hydraulic disc, MT201 lever, UR300 caliper
Brake rotor Shimano RT10, centerlock, 160mm
Weight M - 9.55 kg / 21.06 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, 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.

Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.