| Selected Bikes |  Brompton P Line Urban - Midnight Black Metallic - Mid
Brand: Model: |
 Hummingbird Single-Speed Folding Bike
Brand: Model: |
Brand: Model: |
Brand: Model: |
| Drivetrain | Brompton 4 speed drivetrain, 163% range | -- | ||
| 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 |
-- | ||
| Handle Bar | -- | Full Carbon 520mm wide with a 50mm rise to allow adjustment of reach | ||
| Fork | Superlight Titanium fork with a threaded headset | -- | ||
| Seats | -- | Ultra light Carbon rails with a 130mm width, high density padding and ergonomic cut-out for better comfort | ||
| Seatpost | Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm | Full Carbon with Titanium hardware | ||
| Grip | Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair | Ultra light EVA foam | ||
| Crankset | -- | Shimano Alfine Hollowtech 170mm crank arm length | ||
| Pedals | Brompton Folding left hand and non-folding right-hand pedals | Quick release with sealed bearings | ||
| Chain | Hollow pin Superlight Advance Chain | YBN super light hollow pin design, nickel plated for longer service. | ||
| Shifters | Brompton 4 speed trigger shifter | -- | ||
| Gear | 4-speed gear system | 60 Gear Inches - Easy (Standard) 65 Gear Inches - Medium. 72 Gear Inches - Fast |
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| Saddle | Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell | -- | ||
| Headset | Brompton Superlight headset | -- | ||
| Derailleur Rear | Patent-pending direct mount 4 speed derailleur | -- | ||
| Chainrings | 6061 forged aluminium crank with 50T chainring and integrated chainguard | 48 teeth with integrated CNC chain guard | ||
| Sprocket | 11-13-15-18 Tooth | Rear Sprocket : 13 teeth 9 spline design | ||
| Bottom Bracket | Square taper bottom bracket | Shimano Ultegra Press Fit sealed bearing unit |
| Front | Schwalbe ONE Black Tyre | High performance Schwalbe Kojak with Kevlar bead, puncture protection and reflective band for high visibility 16" 32-349 tyre size | ||
| Rear | Schwalbe ONE Black Tyre | High performance Schwalbe Kojak with Kevlar bead, puncture protection and reflective band for high visibility 16" 32-349 tyre size | ||
| Wheel / RIM | Front Wheel: Superlight front wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings and hex key axle Rear Wheel: Superlight 4 speed rear wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings, newly developed 4 speed freehub body and hex key axle |
Tri-Spoke Carbon. ISO 349 mm wheel size |
| Front | Dual Pivot Calipers | -- | ||
| Rear | Dual Pivot Calipers | -- | ||
| Brake Lever | -- | CAest CNC ultralight |
| Front | -- | -- | ||
| Rear | -- | -- |
| Colors | Midnight Black Metallic | Hummingbird Yellow Prestige Black Carbon Edition Flax |
| Length | -- | -- | ||
| Weight | 10.2 kg | 7 kg |
| Features | -- | -- | ||
| Additional Details | Folded Size: 645mm (H) x 585mm (W) x 270mm (D) (25.3” x 23” x 10.6”) Chain tensioner: Advance chain tensioner with replaceable hanger mounting Front carrier: Front carrier block adaptor for all types of Brompton luggage (non-electric) Mudguards: New curved profile with updated mudguard flaps |
Cables : Jagwire ultra-slick cables with high-quality polished stainless steel inner cables Seatclamp : CNC design, diameter: 41mm Brake Calipers : Tektro R539 dual pivot design with quick release tabs for easier wheel removal Approximate Folded Dimensions : 117x60x20 Centimeters - 46x23x8 Inches |
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