Brompton P Line Urban - Midnight Black Metallic - Mid vs Calibre Sentry

Compare Specifications of Brompton P Line Urban - Midnight Black Metallic - Mid and Calibre Sentry

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

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Calibre Sentry
Calibre Sentry

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Technical Specifications
Drivetrain Brompton 4 speed drivetrain, 163% range SRAM NX Eagle
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
29” 6061 Alloy, 150mm rear wheel travel, 148 x 12mm bolt through
Stem -- Calibre Trail 45mm
Handle Bar -- Kore Durox 800mm width 20mm rise
Fork Superlight Titanium fork with a threaded headset --
Seatpost Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm --
Grip Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair --
Pedals Brompton Folding left hand and non-folding right-hand pedals Alloy platform test pedals
Chain Hollow pin Superlight Advance Chain SRAM NX Eagle Power spline 32T
Shifters Brompton 4 speed trigger shifter SRAM NX Eagle
Gear 4-speed gear system --
Saddle Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell Calibre Sentry
Headset Brompton Superlight headset --
Derailleur Rear Patent-pending direct mount 4 speed derailleur SRAM NX Eagle
Hub Rear -- Formula Boost, bolt through, sealed bearings
Cassette -- SRAM NX Eagle
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 WTB Vigilante TCS G2 Tough High Grip 2.6”
Rear Schwalbe ONE Black Tyre WTB Trail Boss TCS G2 Tough High Grip 2.4”
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
Rims: 29” WTB ST i29 TCS 2.0 32H Tubeless ready
Brakes
Front Dual Pivot Calipers SRAM Guide RE, 200mm
Rear Dual Pivot Calipers 180mm SRAM Guide RE
Suspension
Front -- --
Rear -- --
Colors Available
Colors Midnight Black Metallic --


Physical Specs
Length -- --
Weight 10.2 kg 16.2 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
Rear Shock: Rock Shox Deluxe R, custom tuned, 230 x 62.5mm

Which one do you think is better? And why?
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