Brompton P Line Urban - Midnight Black Metallic - Mid vs Jamis Allegro A1

Compare Specifications of Brompton P Line Urban - Midnight Black Metallic - Mid and Jamis Allegro A1

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

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Jamis Allegro A1
Jamis Allegro A1

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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
Size Specific Design Triple-butted 6061 aluminum with fast back rear triangle, internal cable routing, formed top and down tube, oval chain stays with flat mount disc brake, kickstand mount, replaceable derailleur hanger and fender/rack eyelets
Stem -- Jamis Road 3D forged alloy, 10˚ rise x 90mm (14-18”)
Handle Bar -- Jamis Flat bar, 6061 T-6 aluminum, 31.8 x 10˚ sweep x 600mm (15-17”) 620mm (19-23”)
Fork Superlight Titanium fork with a threaded headset Jamis full carbon composite with carbon steerer, Flat mount disc brake, low-rider carrier mounts and carbon drop out with stainless steel tabs and fender eyelets
Seatpost Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm Jamis alloy micro-adjust, 27.2 x 350mm alloy clamp with QR seatpin
Grip Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair Anatomic double density kraton
Crankset -- Shimano FC-MT210, 46/30, 170mm (14-18”)
Pedals Brompton Folding left hand and non-folding right-hand pedals Platform style, steel cage/resin body
Chain Hollow pin Superlight Advance Chain KMC Z9
Shifters Brompton 4 speed trigger shifter Shift Levers : Shimano Rapidfire Plus Altus SL-M2010, 18-speed
Gear 4-speed gear system --
Saddle Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell Jamis Touring Women’s with SL cover
Headset Brompton Superlight headset FSA Integrated IS threadless with nylon upper compression ring, 1 1/8”
Derailleur Rear Patent-pending direct mount 4 speed derailleur Shimano Altus RD-M2000 rear and Shimano Altus FD-M370 front derailleur
Cassette -- Shimano HG200 9-speed, 11-34T
Chainrings 6061 forged aluminium crank with 50T chainring and integrated chainguard --
Sprocket 11-13-15-18 Tooth --
Bottom Bracket Square taper bottom bracket FSA sealed cartridge, 68 x 110.5mm
Tyres
Front Schwalbe ONE Black Tyre Vittoria Randonneur with reflective sidewalls, 700 x 35c
Rear Schwalbe ONE Black Tyre Vittoria Randonneur with reflective sidewalls, 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
Alex TD26 double wall disc specific alloy rims, 32H, Joytec 6-bolt alloy hubs with QR and 14g stainless steel spokes
Brakes
Front Dual Pivot Calipers Tektro HD-M280/281 hydraulic Flat Mount disc brakes with 160mm rotors and Tektro brake levers. 15-17” M281 (83mm reach); 19-23” M280 (88mm reach)
Rear Dual Pivot Calipers Tektro HD-M280/281 hydraulic Flat Mount disc brakes with 160mm rotors and Tektro brake levers. 15-17” M281 (83mm reach); 19-23” M280 (88mm reach)
Suspension
Front -- --
Rear -- --
Colors Available
Colors Midnight Black Metallic --


Physical Specs
Length -- --
Weight 10.2 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
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Which one do you think is better? And why?
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