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A lighter, faster and more refined Brompton. The P Line combines a titanium rear frame and lightweight components with Brompton’s compact fold and simple 4-speed gearing.
A lighter, faster and more refined Brompton. The P Line combines a titanium rear frame and lightweight components with Brompton’s compact fold and simple 4-speed gearing.
Brompton

Brompton P-Line 4-speed folding bike in Racing Green

£2,599.00
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Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Brompton P-Line 4-speed folding bike in Racing Green

Season:2027

Brand:Brompton

Code:2027-P-LINE-GREE-4L

The Brompton P Line 4 Speed takes everything that makes a Brompton so useful and gives it a lighter, more responsive feel. It’s a great choice if you regularly carry your bike, combine cycling with train travel or simply want a Brompton that feels that little bit quicker and more refined on the road.

At the heart of the P Line is Brompton’s steel main frame, paired with a lightweight titanium rear frame and fork. This reduces weight while retaining the familiar Brompton ride and remarkably compact folded size.

The 4-speed gearing has been developed specifically for the P Line. It provides a useful spread of gears without the additional weight and complexity of an internal gear hub, making it particularly well suited to everyday urban riding. Shifting is simple, while the low rotating weight helps give the P Line its lively character.

Brompton’s redesigned rear frame also improves the experience when the bike is folded. With the seatpost partially raised, the bike can be rolled rather than carried – particularly handy when moving through stations, offices or shops.

If you like the practicality of a classic Brompton but want something lighter and a little more performance focused, the P Line 4 Speed hits a very appealing sweet spot.

Key Features

  • Lightweight steel and titanium frame construction
  • Simple and efficient 4-speed gearing
  • Lightweight titanium rear frame and fork
  • Responsive, quick-riding character
  • Compact Brompton folding design
  • Easy to carry and manoeuvre when folded
  • Front luggage mounting system
  • Suitable for commuting, train travel and everyday urban riding
  • Handmade and finished in London
Technical Information
  • Weight
    From 9.86 kg
  • Speed
    4-speed
  • Material
    Titanium, Aluminium, Steel and Carbon
  • 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
    Carbon
  • Grips
    Ergo grips
  • Seatpost
    Extended, Black (35")
  • Saddle
    Superlight
  • 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
    Fixed right-hand and quick-release left-hand pedals
  • Drivetrain
    Brompton 4-speed drivetrain, 163% range
  • Number of gears
    4-speed
  • Chainset
    6061 forged black aluminium crank with 54T chainring and integrated chainguard
  • Bottom Bracket
    Square taper bottom bracket
  • Headset
    Semi integrated / low profile 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
    Reflectors
  • Rack
    Not included
  • Brakes
    Brompton Dual Pivot Calipers
  • Front Carrier
    Front carrier block adaptor for all types of Brompton luggage
PLEASE NOTE THAT, BASED ON COMPONENT AVAILABILITY AND OTHER FACTORS, SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
Sizing Information
Choosing Your Brompton Handlebar Height

Brompton offers three handlebar heights – Low, Mid and High. Rather than being traditional bike sizes, these options change the height of your hands and therefore your riding position.

Low – Sporty
The lowest handlebar position creates a more forward-leaning, sporty riding position. It's a good choice if you prefer an efficient riding position, are used to road or fitness bikes, or simply like a lower front end.

Mid – Balanced
The versatile middle option offers a comfortable balance between sporty and upright. It's well suited to commuting, leisure riding and everyday use, and is a good starting point for many riders.

High – Upright
The highest handlebar position provides a more upright and relaxed riding position. It's particularly suitable if comfort is your priority, you prefer less forward lean, or you're a taller rider looking for additional handlebar height.

Remember, your height is only part of the equation. Two riders of the same height may prefer completely different handlebar positions depending on their proportions and riding style.

If you're unsure, visit us in store @ Avon Valley Cyclery in Bath to compare the different Brompton handlebar options and find the position that feels right for you.

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