Trek FX Sport SL 4 2026

£1,500.00

Trek FX Sport SL 4 Leisure BikeThe Trek FX Sport SL 4 is a lightweight carbon fitness bike built for riders who want road bike speed with the comfort and control of a flat handlebar. Its simple 1x drivetrain delivers smooth shifting with a wide gear range, making it ideal — Read More

GTIN (UPC): 26TREKFXSPORTSL4 Categories: , ,

Spread the cost from £125.00 monthly*

Buying Guides

Description

Trek FX Sport SL 4 Leisure Bike

The Trek FX Sport SL 4 is a lightweight carbon fitness bike built for riders who want road bike speed with the comfort and control of a flat handlebar. Its simple 1x drivetrain delivers smooth shifting with a wide gear range, making it ideal for fast fitness rides, daily training and quick group sessions. With a carbon frame, hydraulic disc brakes and tubeless ready wheels, the FX Sport SL 4 offers efficient performance on tarmac, paths and mixed terrain.

Key Features

  • 400 Series OCLV Carbon frame
  • Carbon fork with hidden mudguard mounts
  • Shimano CUES U6000 10 speed drivetrain
  • Hydraulic disc brakes
  • Bontrager Paradigm tubeless ready rims
  • Bontrager GR1 Expert 700×40 mm tyres
  • Flat handlebar for confident control
  • Weight: 10.50 kg (M)
  • Maximum total weight limit: 136 kg

Lightweight Carbon Frame and Fork

The FX Sport SL 4 uses Trek’s 400 Series OCLV Carbon for a fast, responsive ride. Internal cable routing keeps the bike clean and quiet, while mudguard mounts and DuoTrap S compatibility add everyday practicality. The carbon fork smooths road buzz and keeps steering precise.

Shimano CUES 10 Speed Drivetrain

The Shimano CUES U6000 1x drivetrain offers simple, reliable shifting with a wide 11 48 cassette for steep climbs and fast rolling terrain. The 42T narrow wide chainring provides secure chain retention and low maintenance performance.

Hydraulic Disc Braking

Shimano hydraulic disc brakes deliver strong, predictable stopping power in all weather conditions. Paired with 160 mm rotors, the FX Sport SL 4 offers confident braking whether you are commuting, training or descending at speed.

Tubeless Ready Wheels and Fast Rolling Tyres

Bontrager Paradigm tubeless ready rims reduce weight and improve ride quality. Bontrager GR1 Expert 700×40 mm tyres offer grip, comfort and speed on tarmac, gravel paths and fitness routes. Maximum tyre size is 42 mm without mudguards or 40 mm with mudguards.

Cockpit and Contact Points

The flat handlebar and ergonomic IsoZone grips provide comfort and control on longer rides. Bar width is size specific for balanced handling across the range. The Bontrager H1 saddle and alloy seatpost complete a comfortable, fitness focused setup.

Bike specifications are advised by the manufacturer and can be subject to change without prior warning.

Please call our helpful sales team on 01539 821 443 or email us for the latest up-to-date product information.

Specification

Frame

400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, mudguard mounts, flat mount disc, 135×5 mm ThruSkew

Fork

Carbon, hidden mudguard mounts, flat mount disc, 100×5 mm thru-skew

Handle Bars

Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise

Tape Grips

Bontrager Satellite IsoZone Plus, lock-on, ergonomic

Brakes

Shimano hydraulic disc, MT201 lever, UR300 calliper

Rear Derailleur

Shimano CUES U6000 GS

Rear Hub

Formula CL-52 alloy, 135×5 mm

Front Hub

Formula CL-51 alloy, 100×5 mm

Shift Levers

Shimano CUES U6000 w/optical gear display, 10-speed

Cassette

Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed

Chainset

Prowheel alloy, 42T narrow-wide ring, 175 mm length

Pedals

Bontrager City pedals

Wheels

Bontrager Paradigm, Tubeless Ready, 32-hole, 21 mm width, Presta valve

Front Tyre

Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700×40 mm, 42 mm without mudguards, 40 mm with mudguards

Rear Tyre

Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700×40 mm, 42 mm without mudguards, 40 mm with mudguards

Saddle

Bontrager H1

Seat Post

Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length

Discipline

Leisure

Material

Carbon

Wheel size

700c

Electric

No

Season

2026

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Checkout with V12 Finance with online acceptance

Checkout with V12 Finance with online acceptance

We contact you to confirm order and arrange shipping

We contact you to confirm order and arrange shipping

Please use our calculator below to help you see what finance options are available. To apply for finance, please select this option at the checkout.

Step 1:Choose your finance option

Please specify the finance option that you wish to choose.

From £125.00 per month.

Step 2:Choose your deposit amount

Please specify the deposit amount that you wish to pay.

The accepted value is between £0.00 and £450.00

Representative finance example

Amount of credit £1500.00. 12 monthly repayments of £125.00. Representative APR 0.00%. Total amount repayable £1500.00.
APR Fixed 0.00%
Installment Amount £125.00/month
Repayment Term 12 months
Total Interest Charged £0.00
Deposit Amount £0.00

Cycle to work scheme

Wheelbase has teamed up with; CycleScheme, Halfords, Green Commute Initiative, as well as, Vivup, Cycle Solutions & Bike2Work to offer PAYE employees a healthier way to commute. The scheme stems from the U.K Government’s Green Transport Plan which is designed to get more people out and about riding bikes and reaping the multitude of personal and environmental benefits!
Redeem your voucher online with us and receive your bike in no time.

If you already have your voucher -
To make a purchase using your Cycle to Work voucher, please submit the Reserve Your Bike form, making sure to attach your voucher. We will make contact to confirm your order and advise the next steps.

If you’re still waiting for your voucher -
To reserve a bike while you wait to receive your voucher, please submit the Reserve Your Bike form, we will seek a refundable holding deposit and advise on the next steps. If you require more information about Cycle To Work, contact us though the link below.

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