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Brompton

Brompton P-Line Electric M4L Midnight Black Metallic

£3,695.00
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Brompton P-Line Electric M4L Midnight Black Metallic

Season:2023

Brand:Brompton

Code:20-21855807231

The lightest Brompton Electric bike ever

The Electric P Line is available from just 12.7 kg (or 15.6 kg with the battery pack ready for riding). Designed for the best performance, with its titanium Advance Rear Frame and premium, weight-saving components. You can carry it, lift it, and ride it further.


Even more portable

Folds in less than 20-seconds – tows and rolls easier than ever. The innovative dual-locking seat post means you can steer the folded bike by the saddle.

The larger, lighter Advance Roller Wheels glide from street to building. And there’s the Brompton-engineered Roller Rack (optional). The 341-gram rack is designed around the centre of gravity to minimise the feeling of weight, making your folded bike feel like a super light suitcase.


Spec’d to perfection

The compact Superlight 4-speed gearing system gives you everything you need to connect the city and beyond. Shifting is smooth and simple with a single gear lever. The Brompton Advance Suspension block comes as standard, sharpening control and handling. Add all the other Superlight parts and the premium touch-points to the mix, and you have a truly next-level electric experience.


Charge on the go

The compact Brompton Electric 300wh lithium-ion battery packs in the power. And when it comes to charging, it’s as easy as plugging in your phone. Remove the battery pack (2.9 kg including bag) with one quick click. Plug into any regular socket.
Give it boost if you're short on time, or fully charge in 4 hours which can be reduced to just 2 hours with the optional Brompton SuperFast charger.


Engineered by Brompton, made for you

Every Brompton frameis individually numbered and when registered comes with a 7-year warranty and 3-year electrical system warranty.
Technical Information
  • Frame
  • Main Frame
    Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
  • Rear frame
    Superlight Advance rear frame made from Titanium with a replaceable hanger, redesigned suspension block and new 54mm roller wheels
  • Fork
    Reinforced Electric specific steel brazed fork
  • Hinge clamps
    Machined aluminium hinge clamp levers and plates anodised matt black finish
  • Components
  • Handlebar Type
    Mid Bar
  • Brakes
    Brompton Dual Pivot Calipers
  • Grips
    Lock-on grips with precision ground lightweight foam adhered to ultra-thin engineered core weighing just 42g each
  • Saddle
    Superlight saddle with chromoly rails, carbon reinforced base and lightweight padding. Includes integrated carry handle and light mount. Includes lightweight Superlight Pentaclip
  • Seatpost
    Brompton Chromoly steel tube
  • Seatclamp
    Machined aluminium seat clamp lever
  • Headset
    Superlight headset
  • Front carrier
    Essentials bag with 1.5L storage. Optional: 20L City bag available separately
  • Mudguards
    New curved profile with updated mudguard flaps
  • Lighting
    40 Lux Busch & Muller AVY LED front and rear lamp powered by the main battery
  • Drivetrain
  • Gears
    Brompton 4 speed drivetrain, 163% range
  • Chainset
    6061 forged aluminium crank with 54T chainring and integrated chainguard
  • Bottom Bracket
    Integrated sealed bearing BB with cadence and torque sensor
  • Derailleur
    Patent-pending direct mount 4 speed derailleur
  • Sprockets
    11-13-15-18 Tooth
  • Shifters
    Brompton 4 speed trigger shifter
  • Chain
    Hollow pin Superlight Advance Chain
  • Chain Tensioner
    Advance chain tensioner with replaceable hanger mounting
  • Pedals
    Brompton Folding left hand and non-folding right-hand pedals
  • Wheels
  • Front Wheel
    Single wall rim, 250W Brushless DC motor providing assistance up to 25 kmp/h
  • Rear Wheel
    Single wall rim, 4 speed rear hub with aluminium hub body with sealed bearings, newly developed 4 speed freehub body and hex key axle
  • Tyres
    349 x 35C Continental Contact Urban folding bead - lightweight and puncture resistant
  • Tubes
    Tubolito Schrader valve
  • Electrification
  • Battery
    300Wh 36V with LED display. 5V 1.5A USB port to charge portable devices. 4-hour full charge using included 2A charger
  • Range
    20-45 miles (30-70km)
  • Connectivity
    Comes with 25.4mm Quadlock mount and adaptor. Brompton Electric iOS and Android apps available for download
  • Pump
    Not included but available separately
  • Options
    4A Fast Charger with 2 hour charge time available separately
  • Folded size
    645mm (H) x 565mm (W) x 270mm (D) (25.3'' x 23'' x 10.6'')
  • Weight
    15.6kg
  • Note
    Specifications are subject to change without notice
Sizing Information
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