P Line – The Longitude Bike, Urban Explorer – Mid

$6,400.00 inc. GST

The Urban Explorer is a lightweight performance Brompton designed to keep you moving, near or far. Compact and go-anywhere, it opens up the familiar and the undiscovered.

Hand built from titanium, steel, carbon, and aluminium, it delivers a smooth ride and a folded package that’s light enough to lift and carry.  New forks and handlebars provide confident control and comfort across every surface. Self-aligning hinge clamps stay set and ready to roll. Quick to fold and unfold, it moves with you, indoors and out.

A matching limited edition basket carries all your essentials, while the Brooks C17 saddle brings comfort that improves with every ride. A special front frame sticker featuring the Brompton London Factory GPS coordinates marks the starting point of the bike’s journey.

Order now for delivery in May 2026

Availability: Enquire Now

Bike Specifications

  • Weight:  From 10.9 kg
  • Speed: 4-speed
  • Material: Titanium, Steel and Carbon
  • Folded Size: 25.3″ H x 23” W x 10.6” D
  • Main Frame: Hand brazed stell main frame with factory co-ordinate Branding
  • Rear Frame: Superlight Advance rear frame made from Titanium with a replaceable hanger
  • Fork: Carbon
  • Grips: Superlight lock-on grips with precision ground foam adhered to ultrathin engineered core
  • Seatpost: Standard, Black
  • Saddle: Brooks C17
  • 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: 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: Schwalbe Almotion
  • Tubes: Schrader valve
  • Mudguards: Included
  • Lighting: Battery Lighting
  • Rack: Not included
  • Brakes: Brompton Dual Pivot Calipers
  • Front Carrier: Front carrier block adaptor for all types of Brompton luggage
  • On Bike Accessories: Small Basket Bag included
  • Previous model name: P Line Urban

BASKET BAG SMALL

  • Material : ECOPAK is the world’s only durable and waterproof fabric made from 100% recycled polyester fiber and film. Each yard upcycles about 20 plastic water bottles into durable technical textiles.
  • Dimensions: 28 x 28 x 13cm
  • Capacity: 10L
  • Pockets: 2x internal mesh pockets & 1x internal zip pocket
  • Attaches to the front carrier block
  • Bungee system in to keep your belongings in, integrated carry strap

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