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Brand: Brompton

Brompton S4L P Line Urban 4s Low-Bar Fold-up City Bike

Brompton S4L P Line Urban 4s Low-Bar Fold-up City Bike
Brompton S4L P Line Urban 4s Low-Bar Fold-up City BikeAdditional ImageAdditional ImageAdditional ImageAdditional Image
Brand: Brompton

Brompton S4L P Line Urban 4s Low-Bar Fold-up City Bike

Black - One Size
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Made For Cities

A Brompton is the perfect folding bicycle for the city.

It folds down to a portable, practical size (585mm high x 565mm long x 270mm wide / 23" x 22.2" x 10.6"); so can be taken on other forms of public and private transport. It can also be taken inside (homes, offices, bars) so it is a lot less likely to be stolen.

Its ride position and agility are more than a match for conventional bicycles. Small wheels mean fast acceleration from red lights and increased maneoverability through busy streets.

It is tough and can take everything the city throws at it, every day. A steel frame, efficient and puncture resistant tyres, handmade with high build quality and a design that has been refined over 25 years means Brompton folding bikes provide years of regular city use and beyond - check out these amazing journeys, pushing the bike to the limit.

One bike Made for you

Each Brompton folding bike can be custom made to your exact specification. Select from a range of colours, gearing options, riding styles and accessories.

Key Features:

20% lighter
Saving almost 2kg on the all-steel equivalent, this bike performs indoors and out.

Folds in 20 seconds
Everything folds even the pedal. Expertly engineered to transform into a small, locked package, in under 20-seconds.

Made for speed
Proven performance modifications. Titanium fork and rear triangle, and best-in-class components.

Superlight 4-speed gearing system
A superlight compact 4-speed gear system, fine-tuned for city riding.

Continental Contact Urban
With a Kevlar bead, this lightweight folding tyre offers a 60g weight saving compared to the steel bead version. Purgrip technology provides a superior grip and control in wet or dry conditions.

7-year frame warranty
Handbuilt and quality assured in our London Factory. Enjoy your Brompton for longer.


  • Weight: From 9.99 kg
  • Speed: 4 Speed (Urban)
  • Material: Titanium and Steel
  • Folded Size: 25.3' H' x 23' W x 10.6' D
  • Main Frame: Precision drawn heat-treated steel tubing with hand brazing
  • Rear Frame: Superlight Advance rear frame made from Titanium with a replaceable hanger
  • Fork: Titanium fork with a threaded headset
  • Grips: Superlight lock-on grips with precision ground foam adhered to ultrathin engineered core
  • Seatpost: Extended, Black (35")
  • Saddle: Fizik Aliante R7 (Emerald Lacquer includes Superlight Saddle)
  • Seatclamp: Machined aluminium seat clamp and rear frame clip in anodised matt black finish
  • Hinge Clamps: Machined aluminium hinge clamp levers and plates anodised matt black finish
  • Pedals: Brompton Folding left hand and non-folding right-hand pedals
  • Drivetrain: Brompton 4 speed drivetrain, 163% range
  • Number of gears: 4 Speed - Urban
  • Chainset: 6061 forged aluminium crank with 50T chainring and integrated chainguard
  • Bottom Bracket: Square taper bottom bracket
  • Headset: Superlight headset
  • Shifters: Brompton 4 speed trigger shifter
  • Sprockets: 11-13-15-18 Tooth
  • Derailleur: Patent-pending direct mount 4 speed derailleur
  • Rear Wheel: Double wall rim, double-butted spokes and aluminium hub body
  • Front Wheel: Superlight front wheel - Lightweight, double wall rim, double-butted spokes and aluminium hub body
  • Tyres: Continental Contact Urban
  • Tubes: Schrader valve
  • Mudguards: Included
  • Lighting: Battery (excludes Emerald Lacquer)
  • Rack: Not included
  • Brakes: Brompton Dual Pivot Calipers
  • Front Carrier: Front carrier block adaptor for all types of Brompton luggage

Bar Type Chart

Note: Manufacturer may reserve the right to change the specification of that listed or shown on this page.
This could include but not limited to specification or colour

Manufacturer's Code: S4L0T8B0007C0000I0040220TTT800

Trade-in Your old bike

You can trade in your old bike for instant credit in our store. You can use your credit against all products in store.

Trade-In Your old bike - Step by step:

  • Bring the bike you would like to trade-in to our store
  • Please ask for the person in charge of Used Bikes
  • Our Buyers will assess your bike and offer you a Trade-in credit
  • Avail of instant credit from your trade-in
  • Credit can be used against ALL goods in store. Sale prices will still apply
  • Ride away on your new bike!

Terms & Conditions

  • We only accept bikes in the resale value range of €200 - €1,200
  • Bikes must be clean and fit for resale
  • You will be required to produce photo ID which we will scan and keep on file

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