Brompton P Line Urban - Midnight Black Metallic - Mid vs Jamis Explorer A2 Step-Thru

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• Brompton P Line Urban - Midnight Black Metallic - Mid vs Jamis Explorer A2 Step-Thru

Compare Specifications of Brompton P Line Urban - Midnight Black Metallic - Mid and Jamis Explorer A2 Step-Thru

Selected Bikes

Brompton P Line Urban - Midnight Black Metallic - Mid Brand: -- Select Brand -- Model: -- Select Model --

Jamis Explorer A2 Step-Thru Brand: -- Select Brand -- / Model: -- Select Model --

Brand: -- Select Brand -- Model: -- Select Model --

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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	6061 TIG-welded aluminum, all-new sport comfort design with upright ride position, replaceable derailleur hanger, center-mount kickstand bracket
Stem	--	Jamis alloy, angle-adjustable, 90mm ext x 150mm quill (14–18") or 110mm ext x 180mm quill (19–21”)
Handle Bar	--	Comfort hi-rise, steel, 25.4 x 80mm rise x 15˚ sweep x 620mm
Fork	Superlight Titanium fork with a threaded headset	Hi-tensile steel unicrown, radius blades with dropout eyelets
Seatpost	Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm	Alloy micro-adjust, 350mm x 27.2mm, with alloy QR clamp
Grip	Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair	Kraton comfort
Crankset	--	Forged alloy, 48/38/28T, 170mm with chainguard
Pedals	Brompton Folding left hand and non-folding right-hand pedals	Comfort platform with TPE non-slip insert
Chain	Hollow pin Superlight Advance Chain	KMC Z7
Shifters	Brompton 4 speed trigger shifter	Shimano EZ-Fire Plus, ST-EF500, 21-speed
Gear	4-speed gear system	--
Saddle	Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell	Jamis Comfort with extra thick padding, synthetic suede top, burnished side panels and bumper springs
Headset	Brompton Superlight headset	Internal cup, threaded, 1 1/8”
Derailleur Front	--	Shimano TY510 top swing/dual pull
Derailleur Rear	Patent-pending direct mount 4 speed derailleur	Shimano TY300
Cassette	--	Shimano freewheel 7-speed, 14-34
Chainrings	6061 forged aluminium crank with 50T chainring and integrated chainguard	--
Sprocket	11-13-15-18 Tooth	--
Bottom Bracket	Square taper bottom bracket	Sealed cartridge, 68 x 110.5mm

Tyres

Front	Schwalbe ONE Black Tyre	CST - 1918, 27.5 x 2.1
Rear	Schwalbe ONE Black Tyre	CST - 1918, 27.5 x 2.1
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	Alloy 36H rims, Formula alloy hubs, QR front and rear, 14g stainless steel spokes

Brakes

Front	Dual Pivot Calipers	ProMax alloy direct pull brakes with Shimano levers
Rear	Dual Pivot Calipers	ProMax alloy direct pull brakes with Shimano levers

Suspension

Front	--	--
Rear	--	--

Colors Available

Colors

Midnight Black Metallic

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Physical Specs

Length	--	--
Weight	10.2 kg	13.8 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	Sizes : 14”, 16”, 18"

Which one do you think is better? And why?

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