2026 FX Sport SL 4 is no longer available.

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Trek FX Sport SL 4

£1,500.00

Colour: MATTE ONYX CARBON
Part Number:

5323710

GTIN:

197216045816

FX Sport 4 is a carbon fibre 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.

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 prioritise comfort and performance equally, and want the simplicity that 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 wheel set, wide, fast-rolling Bontrager GR1 Expert gravel tyres and a vibration-absorbing handlebar and ergonomic grips.

The final word

Fast, capable, comfortable. The FX Sport 4 has a road-smoothing carbon frame and quality parts that will hold up over serious miles, including the simpler-shifting 1x drivetrain.

Price Match at Julie's Cycles

We understand that price is important, so we regularly price check our competitors to make sure we have the best offers available. We recognise that we will not always be the cheapest, so if you see the same product cheaper from any of our competitors then please get in touch via the form below and we will do our best to match any reasonable advertised price.

Our price Match conditions:

• The item must be in stock and available for immediate delivery (both with us and our competitor).

• We can only price match identical items (including year, make, model, size and colour).

• Comparison value includes all delivery charges.

• We will only consider price matching current advertised prices including any delivery charges and excluding any personal or membership discounts.

• Price Match cannot be used in conjunction with any other offer or voucher code.

•  We will not price match any Cycle To Work vouchers

• We only match competitors who are authorised UK based brand sellers, selling genuine products and offer a comparable service (We don't price match against third party or auction websites). * Although we will always aim to price match, in some instances it may simply be uneconomical. If this is the case then we will do our best to get as close as we can.

Please email us at sales@juliescycles.co.uk with the following information

Link to competitors product

Product title, year, size, colour

Your Name, email, phone number

Collect in store or Mail Order

Frame Size L, 400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, mudguard mounts, flat mount disc, 135x5 mm ThruSkew
ForkCarbon, hidden mudguard mounts, flat mount disc, 100x5 mm thru-skew Carbon, hidden fender mounts, flat mount disc, 100x5mm thru-skew
Wheel SizeFront 700c / Rear 700c
WheelsBontrager Paradigm, Tubeless Ready, 32-hole, 21 mm width, Presta valve Formula CL-51 alloy, 100x5 mm Formula CL-52 alloy, 135x5 mm
TyresBontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40 mm
ShifterShimano CUES U6000 w/optical gear display, 10-speed Shimano CUES U6000 w/optical gear display, 10 speed
Rear DerailleurShimano CUES U6000 GS
CrankProwheel alloy, 42T narrow-wide ring, 175 mm length
CassetteShimano CUES LG300, LINKGLIDE, 11-48, 10-speed
ChainShimano LG500, 9/10/11-speed
PedalsBontrager City pedals
Front BrakeShimano hydraulic disc, MT201 lever, UR300 calliper // Shimano hydraulic disc, MT201 lever, UR300 calliper Shimano hydraulic disc, MT201 lever, UR300 caliper // Shimano hydraulic disc, MT201 lever, UR300 caliper Shimano RT10, CenterLock, 160 mm Max brake rotor size
Rear BrakeShimano hydraulic disc, MT201 lever, UR300 calliper // Shimano hydraulic disc, MT201 lever, UR300 calliper Shimano hydraulic disc, MT201 lever, UR300 caliper // Shimano hydraulic disc, MT201 lever, UR300 caliper Shimano RT10, CenterLock, 160 mm Max brake rotor size
HandlebarBontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 660 mm width
GripsBontrager Satellite IsoZone Plus, lock-on, ergonomic //
SeatpostBontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
SaddleBontrager H1
Weight10.5 kg
Brand Trek
Model Year 2026
Barcodes 197216045786, 197216045793, 197216045809, 197216045816, 197216045823
SKUs / Part Numbers 5323707, 5323708, 5323709, 5323710, 5323711

Please note: Manufacturers can sometimes change the specification of the products from time to time.