Brompton P Line Urban - Midnight Black Metallic - Mid vs Rose Backroad AL GRX RX600

Compare Specifications of Brompton P Line Urban - Midnight Black Metallic - Mid and Rose Backroad AL GRX RX600

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

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Rose Backroad AL GRX RX600
Rose Backroad AL GRX RX600

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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
BACKROAD AL roasted olive 46cm-27.5
Stem -- Rose Square (6°), aluminium 6061, integrated cable guides, anodized black 70 mm
Handle Bar -- Ritchey Butano Comp, ROSE Branding, 40cm
Fork Superlight Titanium fork with a threaded headset ROSE-Cross Backroad, Carbon, 28" matt black/roasted olive
Seatpost Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm ROSE carbon post, aluminium head, XX offset, matt carbon Ø27,2/350 mm
Grip Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair --
Crankset -- Shimano FC-RX600, GRX, 46-30 170 mm
Pedals Brompton Folding left hand and non-folding right-hand pedals --
Chain Hollow pin Superlight Advance Chain Shimano CN-HG601, 118 links
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 Rose Edition by Selle Italia black
Headset Brompton Superlight headset --
Derailleur Rear Patent-pending direct mount 4 speed derailleur --
Cassette -- Shimano 105 CS-R7000, 11-34
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 Schwalbe G-One Allround, Evo, MicroSkin, TL-Easy, black 27.5 x 1.5
Rear Schwalbe ONE Black Tyre Schwalbe G-One Allround, Evo, MicroSkin, TL-Easy, black 27.5 x 1.5
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
ROSE R25 | inner rim width 19 mm | 24 spokes, 27,5"
Brakes
Front Dual Pivot Calipers Shimano GRX ST-RX600/BR-RX400, 160 mm black
Rear Dual Pivot Calipers Shimano GRX ST-RX600/BR-RX400, 160 mm black
Suspension
Front -- --
Rear -- --
Colors Available
Colors Midnight Black Metallic Fog grey
Roasted olive


Physical Specs
Length -- --
Weight 10.2 kg 9.4 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 Mech : Shimano GRX RX810 rear derailleur 11-speed (for single & double chainring setups)
Handlebar Tape : Xtreme Gel Comfort black
Front Mech : Shimano GRX FD-RX810 11-speed front derailleur

Which one do you think is better? And why?
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