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1890578 / 54294145761626

Product Details

Brompton P Line 4 Speed Mid Bar Folding Bike 2025

The Brompton P Line 4 Speed Mid Bar Folding Bike offers an effortless gateway to city exploration. Designed for urban adventurers seeking both power and refinement, this high-performance bike blends exceptional engineering with sleek aesthetics to make every ride seamless and enjoyable. Whether cruising through bustling streets or weaving through traffic, the P Line Urban empowers riders to embrace new horizons with confidence and style.

With a lightweight titanium frame that is 700 grams lighter than all-steel equivalents, the bike delivers enhanced portability and agility for smooth, responsive riding. Features such as the suspension block, shock-absorbing titanium frame, and a 4-speed gearing system ensure comfort and control at any pace. Engineered specifically for urban adventures, the P Line’s precise handling and intuitive gearing provide complete confidence, even in tight spaces or alongside busy traffic.

The P Line folds effortlessly into a compact, lightweight package, making it easy to carry and store, ready to explore every corner of the city. Practicality is further elevated by the inclusion of a front carrier block and an easy-to-handle frame, ensuring this bike is as functional as it is stylish.

Features
  • Claimed 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 an ultrathin engineered core
  • Seatpost: Standard
  • 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 - Urban
  • Chainset: 6061 forged aluminium crank with 54T 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: Reflectors
  • Rack: Not included
  • Brakes: Brompton Dual Pivot Calipers
  • Front Carrier: Front carrier block adaptor for all types of Brompton luggage
Highlights
  • 4-speed gear system
  • Eco-friendly powder coating
  • Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
  • Titanium Front Fork and Rear Triangle
  • Continental Contact Urban Tyres
Specifications
Model
P Line 4 Speed Mid Bar
E-Bike
No
Family
P Line
Frame [Material]
Titanium
Frameset
No
Gearing [Configuration]
1x
Gearing [Kind]
Conventional
Gender
Unisex
Handlebar [Kind]
Flat
Shifting
Mechanical
Suspension Configuration
Rigid
Product code
1890578 / 54294145761626
Size Guide
SizeSmallMediumLarge
Rider Height152 - 168cm168 - 183cm183 - 198cm
Stack (MM)677687697
Reach (MM)477483504
SeatpostStandardExtendedTelescopic
Brompton G Line
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Shipping & Returns

Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.

Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.

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