Why buy your bike from Sigma Sports?
Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.
All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.
We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.
We've partnered with PedalSure to offer you 30-DAYS FREE bike insurance on new bikes over £400. Visit our Cycle Insurance page to learn more and claim.
Trek FX Sport Carbon 4 Disc Hybrid Bike 2021
A sporty and enthusiastic character ensures that the Trek FX Sport Carbon 4 Disc Hybrid Bike is ready and set to conquer any fitness goal. Coupling the speed of a lightweight road bike with the assured handling of flat handlebars, the FX Sport Carbon is prepared to deliver within all manner of road rides.
Hybrid bikes can sometimes seem a little uninspiring but the full carbon frameset of the FX Sport Carbon infuses a responsive and invigorating ride personality. The reactivity and low weight of this chassis eat up the miles while the integrated IsoSpeed shock absorption ensures of comfort over even the roughest of road surfaces. At the same time, a speedy but composed geometry places the rider in an ideal position to conquer vast milages in style.
A robust alloy wheelset is hardy and low maintenance and is complemented by speedy tyres that zip along any route with consummate ease and are puncture resistant. The Shimano GRX 11-speed gears facilitate smooth passage across any topography before the hydraulic disc brakes grant confidence-inspiring stopping power in all weather conditions.
Flat handlebars bestow ultimate handling confidence even when on busy roads. Integrated mudguard mounts complete a thorough build by offering the option of wet-weather protection.
- A sporty hybrid bike that prioritises comfort and performance equally
- Perfect for big miles on the road with flat-bar control and convenience
- Trek 400 series OCLV Carbon frame with IsoSpeed shock absorption for a reactive but comfortable ride
- Stable but sporty geometry allows vast mileage to be covered quickly but confidently
- Robust alloy wheelset shod with slick tyres is smooth rolling but strong
- Shimano GRX 11-speed gears to conquer any topography
- Shimano hydraulic disc brake system affords accurate and powerful stopping power
- Bontrager finishing kit ensures a reliable and serene ride
|Frame||Trek 400 series OCLV carbon, IsoSpeed, internal routing, 3s chain keeper, DuoTrap S-compatible, mudguard mounts, flat-mount disc, 142x12 mm thru-axle|
|Fork||Trek FX Carbon, threadless alloy steerer, hidden mudguard mounts, flat-mount disc, 405mm axle-to-crown, 100x12mm thru-axle|
|Stem||Bontrager Elite, 31.8mm, Blendr-compatible, 7-degree (Size XS|
|Handlebar||Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise (Sizes XS, S|
|Grips||Bontrager Satellite IsoZone Plus, lock-on, ergonomic|
|Front Brake||Shimano MT201 hydraulic disc, flat-mount with Shimano RT10, 160mm, Center Lock rotor|
|Rear Brake||Shimano MT201 hydraulic disc, flat-mount with Shimano RT10, 160mm, Center Lock rotor|
|Brake Levers||Shimano MT201 hydraulic|
|Rear Derailleur||Shimano GRX RX812, long cage, 42T max cog, 11-speed|
|Shift Levers||Shimano RS700, 11-speed|
|Cassette||Shimano SLX M7000, 11-42, 11-speed|
|Crankset||Shimano GRX RX600, 40T ring (Sizes XS, S|
|Bottom Bracket||Shimano BB71, 86.5mm, PressFit|
|Front Wheel||Bontrager tubeless-ready, disc brake, 32-hole rim with Formula alloy, Center Lock disc, 100x12 mm thru-axle hub|
|Rear Wheel||Bontrager tubeless-ready, disc brake, 32-hole rim with Shimano RXC400, Center Lock, Shimano 11-speed freehub, 142x12mm thru-axle hub|
|Front Tyre||Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32c - clincher|
|Rear Tyre||Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32c - clincher|
|Seatpost||Bontrager alloy, 27.2mm, 12mm offset, 330mm length|
|Pedals||Wellgo M141, resin body, alloy cage|
|Manufacturer Claimed Weight||9.55kg / 21.06lbs, size M|
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if specified), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. We do not install accessories to bikes, including mudguards.
Trek FX Sport Carbon 4 Disc Hybrid Bike 2021 Sizing
Forgotten Your Password?
Please enter your registered email address below and we'll send you an email explaining the next step.
Select a store
Select the store you visit most frequently below and their stock information will show on product pages.