Brompton P Line Urban - Midnight Black Metallic - Mid vs Trek Sun Shimmer 1 16

Compare Specifications of Brompton P Line Urban - Midnight Black Metallic - Mid and Trek Sun Shimmer 1 16

Selected Bikes

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

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Trek Sun Shimmer 1 16
Trek Sun Shimmer 1 16

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Technical Specifications
Load Carrying Capacity -- Combined weight of bicycle, rider, and cargo of 80 pounds (36 kg)
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
Classic steel with patented Flat Foot Technology fits kids from 96–116 cm
Stem -- Alloy
Handle Bar -- Electra kids cruiser bar
Fork Superlight Titanium fork with a threaded headset Steel unicrown
Seatpost Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm Classic alloy pillar
Grip Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair Custom
Crankset -- Classic steel one piece
Pedals Brompton Folding left hand and non-folding right-hand pedals Resin
Chain Hollow pin Superlight Advance Chain KMC S1
Shifters Brompton 4 speed trigger shifter --
Gear 4-speed gear system --
Saddle Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell Electra kids comfort with matching design with elastomer springs
Headset Brompton Superlight headset 1" steel threaded
Derailleur Rear Patent-pending direct mount 4 speed derailleur --
Hub Front -- Coaster 28h
Hub Rear -- Alloy 28h
Cassette -- 16t
Chainrings 6061 forged aluminium crank with 50T chainring and integrated chainguard --
Sprocket 11-13-15-18 Tooth --
Bottom Bracket Square taper bottom bracket 9-PC loose ball
Tyres
Front Schwalbe ONE Black Tyre 16" x 2.15" with puncture-resistant Kevlar guard casing, 67TPI
Rear Schwalbe ONE Black Tyre 16" x 2.15" with puncture-resistant Kevlar guard casing, 67TPI
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 alloy with machined sidewalls
Brakes
Front Dual Pivot Calipers Alloy caliper
Rear Dual Pivot Calipers Coaster brake
Suspension
Front -- --
Rear -- --
Colors Available
Colors Midnight Black Metallic Cloud White


Physical Specs
Length -- --
Weight 10.2 kg 11.79 kg
Overview
Features -- - Flat Foot Technology
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
Painted fenders
Training wheels
Stainless steel and anti-rust hardware

Which one do you think is better? And why?
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