Brompton P Line Urban - Midnight Black Metallic - Mid vs Trek Session 9 X01

Compare Specifications of Brompton P Line Urban - Midnight Black Metallic - Mid and Trek Session 9 X01

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

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Trek Session 9 X01
Trek Session 9 X01

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Technical Specifications
Load Carrying Capacity -- Combined weight of bicycle, rider, and cargo of 300 pounds (136 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
Alpha Platinum Aluminum, high main pivot, idler pulley, integrated frame protection, internal or external routing, magnesium rocker link, Mino Link, ISCG 05 2-bolt mount, Active Braking Pivot, 157 x 12 mm thru axle, 200 mm travel
Stem -- Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length
Handle Bar -- Bontrager Line Pro, OCLV Carbon, 35 mm, 15 mm rise, 820 mm width
Fork Superlight Titanium fork with a threaded headset RockShox Boxxer Ultimate, DebonAir spring, Charger 2.1 RC2 damper, straight steerer, 46 mm offset, Boost, 110 x 20 mm Maxle Stealth, 200 mm travel
Seatpost Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm Bontrager Rhythm Elite, 31.6 mm, 0 mm offset, 330 mm length
Grip Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair Bontrager XR Trail Elite, nylon lock-on
Crankset -- SRAM X01 DH, DUB 83, 34T alloy ring, 165 mm length
Pedals Brompton Folding left hand and non-folding right-hand pedals Wellgo MG-1, magnesium body, Cro-Mo axle, replaceable pins
Chain Hollow pin Superlight Advance Chain SRAM PC-1110, 11 speed
Shifters Brompton 4 speed trigger shifter SRAM X01 DH, 7 speed
Gear 4-speed gear system --
Saddle Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell Bontrager Arvada, austenite rails, 138 mm width
Headset Brompton Superlight headset --
Derailleur Rear Patent-pending direct mount 4 speed derailleur SRAM X01 DH, medium cage
Cassette -- SRAM PG-720, 11-25, 7 speed
Chainrings 6061 forged aluminium crank with 50T chainring and integrated chainguard --
Sprocket 11-13-15-18 Tooth --
Bottom Bracket Square taper bottom bracket SRAM DUB, 83 mm, BSA threaded
Tyres
Front Schwalbe ONE Black Tyre Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29 x 2.50''
Rear Schwalbe ONE Black Tyre Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29 x 2.50''
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
Front : Bontrager Line DH 30, Tubeless Ready, 6-bolt, 110 x 20 mm Boost thru axle
Rear : Bontrager Line DH 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano 7 speed freehub, 157 x 12 mm thru axle
Brakes
Front Dual Pivot Calipers SRAM Code RSC 4-piston hydraulic disc
Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 180 mm
Rear Dual Pivot Calipers SRAM Code RSC 4-piston hydraulic disc
Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 200 mm
Suspension
Front -- --
Rear -- --
Colors Available
Colors Midnight Black Metallic Deep Dark Blue to Alpine Blue Fade


Physical Specs
Length -- --
Weight 10.2 kg 17.08 kg
Overview
Features -- - Suspension Calculator
- Active Braking Pivot
- Rock the mullet
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
Shock : RockShox Super Deluxe Ultimate DH, RC damper, 250 mm x 72.5 mm

Which one do you think is better? And why?
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1989