Brompton P Line Urban - Midnight Black Metallic - Mid vs Rose Backroad GRX RX810

Compare Specifications of Brompton P Line Urban - Midnight Black Metallic - Mid and Rose Backroad GRX RX810

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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 GRX RX810
Rose Backroad GRX RX810

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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
Rose BACKROAD Carbon, 12x142TA, PF86, internal shift/brake cables, mounting points for luggage carrier, frame weight from approx. 1020g, evil pepper green 50cm
Stem -- Rose Square (6°), aluminium 6061, integrated cable guides, anodized black 70 mm
Handle Bar -- Ritchey WCS Butano, blatte 40cm
Fork Superlight Titanium fork with a threaded headset Rose BACKROAD Carbon, 12x100TA, internal brake hose, mounting points for Gravel cage, fork weight from approx. 425g, matt black/evil pepper green
Seatpost Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm ROSE D-Shape, for Reveal/Backroad, carbon, 8 mm offset UD carbon/matt
Grip Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair --
Crankset -- Shimano GRX FC-RX810 2 x 11-speed, 48-31T 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 Continental Terra Speed ProTection, Tubeless Ready, schwarz/transparent (dunkelbraun) 40-622
Rear Schwalbe ONE Black Tyre Continental Terra Speed ProTection, Tubeless Ready, schwarz/transparent (dunkelbraun) 40-622
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 R Thirty Disc Light / 28” / 28 holes / Inner rim width: approx. 19mm / Rim height: approx. 31mm / Rim width: approx. 24mm / Weight: approx. 1520g / Compatible tyre widths: 700x28-60mm black
Brakes
Front Dual Pivot Calipers Shimano BL-RX810 / BR-RX810, ST-RX810, 2x, 160 mm
Rear Dual Pivot Calipers Shimano BL-RX810 / BR-RX810, ST-RX810, 2x, 160 mm
Suspension
Front -- --
Rear -- --
Colors Available
Colors Midnight Black Metallic Deepest purple
Evil pepper green
Blue haze


Physical Specs
Length -- --
Weight 10.2 kg 8.7 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
Front Mech : Shimano GRX FD-RX810 11-speed front derailleur
Rack : For retrofitting a mudguard and/or luggage rack, you need prod
Handlebar Tape : Xtreme Gel Comfort black
Rear Mech : Shimano GRX RX810 rear derailleur 11-speed (for single & double chainring setups)

Which one do you think is better? And why?
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