Brompton P Line Urban - Midnight Black Metallic - Mid vs Public V9 Aluminum

Compare Specifications of Brompton P Line Urban - Midnight Black Metallic - Mid and Public V9 Aluminum

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Brompton P Line Urban - Midnight Black Metallic - Mid
Brompton P Line Urban - Midnight Black Metallic - Mid

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Public V9 Aluminum
Public V9 Aluminum

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Technical Specifications
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
PUBLIC premium aluminum tubing, with fender and rack braze-ons
Stem -- Kalloy forged alloy quill stem, 25 degree rise, 25.4 mm clamp
Handle Bar -- PUBLIC alloy riser handlebar, 610 mm wide, 15 degree backsweep, 35 mm rise
Fork Superlight Titanium fork with a threaded headset PUBLIC hi-tensile steel unicrown fork, with fender and rack braze-ons
Seatpost Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm Kalloy alloy micro-adjust with integrated clamp, 27.2 mm
Grip Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair VELO PUBLIC Slender Grip, leather-like, full-length, with alloy clamps
Crankset -- Lasco alloy crankset 170 mm, 39 tooth chainring with outer chainring guard, square tape
Pedals Brompton Folding left hand and non-folding right-hand pedals Wellgo M149 full alloy platform and cage, 9/16" axle
Chain Hollow pin Superlight Advance Chain --
Shifters Brompton 4 speed trigger shifter Shimano Altus Rapidfire trigger shifters, 9-speed index
Gear 4-speed gear system --
Saddle Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell VELO PUBLIC Premium Sport Saddle, 153 mm wide, chromoly rails, with brass rivits
Headset Brompton Superlight headset 1" threaded, steel
Derailleur Rear Patent-pending direct mount 4 speed derailleur Shimano Altus 9-speed
Hub Front -- Alloy low flange 32H, bolt-on QR skewer
Hub Rear -- Alloy low flange 32H, bolt-on QR skewer
Spoke -- 14G Stainless steel
Cassette -- Shimano 9 speed HG201 11-34 tooth cassette
Chainrings 6061 forged aluminium crank with 50T chainring and integrated chainguard --
Sprocket 11-13-15-18 Tooth --
Bottom Bracket Square taper bottom bracket --
Tyres
Front Schwalbe ONE Black Tyre Kenda Kwest, 700 x 35c
Rear Schwalbe ONE Black Tyre Kenda Kwest, 700 x 35c
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
Painted to match, alloy 32H, 700c, machine braking surfac
Tube -- Presta, 48 mm valve
Brakes
Front Dual Pivot Calipers Promax cold forged, high polish, alloy dual-pivot caliper, with alloy 4 finger lever
Rear Dual Pivot Calipers Promax cold forged, high polish, alloy dual-pivot caliper, with alloy 4 finger lever
Suspension
Front -- --
Rear -- --
Colors Available
Colors Midnight Black Metallic Brushed Silver
Navy Blue


Physical Specs
Length -- --
Weight 10.2 kg 11 kg
Overview
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
Frame Size : Small : 44cm, Medium : 50cm, Large : 56cm

Which one do you think is better? And why?
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1987