Brompton P Line 4 Speed With Roller Frame 2025 - Folding Bike















The Brompton P Line Urban 4 is perfect for city commuting and leisure rides, offering a balance of performance, portability, and style. With its titanium rear frame, it’s 700g lighter than traditional steel equivalents, making it easy to carry. The 4-speed gearing system, responsive suspension block, and compact folding design ensure an agile and comfortable ride, ideal for navigating city streets and tight corners.
Key Features:
- Titanium rear frame for lightweight durability and responsive ride
- Superlight titanium fork for improved handling and comfort
- Brompton 4-speed derailleur with ergonomic trigger shifter
- Brompton dual pivot caliper brakes for precise stopping power
- Brompton lightweight rims with smooth-rolling tyres
- Ergonomic handlebars for a comfortable riding position
- Includes front carrier block and roller wheels for easy transport
- Available with 0% APR finance for easy purchasing
The Brompton P Line Urban 4 takes folding bike performance to the next level, with a frame that combines precision-drawn steel tubing for the mainframe with a titanium rear frame. The titanium rear frame provides a lighter, more responsive experience, while the redesigned suspension block ensures a comfortable ride, even on bumpy city streets.
The front fork is made from superlight titanium, offering improved handling and reducing road vibrations. The 4-speed gearing system allows for smooth shifting, making it easy to navigate urban environments, whether you're cruising or tackling a hill. The ergonomic trigger shifter ensures that gear changes are effortless, giving you full control in tight city spaces.
Braking is handled by Brompton’s dual pivot caliper brakes, which offer reliable stopping power. The lightweight Brompton rims paired with smooth-rolling tyres further enhance the bike's performance and speed, ensuring you're ready to take on whatever the city throws your way.
The P Line Urban 4 also features roller wheels and an easy-to-handle frame for hassle-free portability when you need to fold it up and carry it into a café, office, or onto public transport. The front carrier block makes it even easier to attach accessories, such as a bag or basket, adding further convenience.
With a stylish and compact design, the Brompton P Line Urban 4 is not just a practical folding bike, but a statement of sleek urban design and modern engineering. Perfect for anyone who wants to explore the city efficiently and with ease, this bike is ready to accompany you on your next adventure.
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | Mainframe: Precision drawn heat treated steel tubing with hand brazing and selected auto brazed jointsRearframe: Superlight Advance rear frame made from Titanium with a replaceable hanger, redesigned suspension block and new 54mm roller wheels |
Fork | Superlight Titanium fork with a threaded headset |
Headset | Superlight headset |
Front Brake | Brompton Dual Pivot Caliper |
Rear Brake | Brompton Dual Pivot Caliper |
Brake Lever | Brompton alloy brake lever |
Rear Mech | Brompton Patent-pending direct mount 4 speed derailleur |
Shifters | Brompton 4 speed Ergonomic Trigger Shifter |
Speed | 4 |
Rims | Brompton Lightweight Rim |
Front Hub | Superlight alloy front hub with hex key axle |
Seat Post | Brompton Standard Chromoly steel tube - gloss black. |
Saddle | Brompton Superlight saddle. Carbon reinforced base with rubber grip for carrying support. Intergrated mounts for compatible rear light. |
Bottom Bracket | Square taper bottom bracket |
Chain | Hollow pin Superlight Advance Chain |
Pedals | Quick Release Left Hand and fixed right hand pedals. Lighter and Stiffer for a better ride feel. |
Brompton Folding Bike Size Guide
All Brompton bikes have the same size frame and with the standard seatpost fitted are suitable for riders with an inside leg measurement up to 84cm or 33".
Longer seatposts are available for those with inside leg measurements over 84cm.
Seatpost |
Inside Leg (Centimetres) |
Inside Leg (inches) |
Standard |
Up to 84 |
Up to 33” |
Extended |
84 - 89 |
33” – 35” |
Telescopic |
Over 89 |
Over 35” |
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Brompton P Line 4 Speed With Roller Frame 2025 - Folding Bike
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