Drivetrain |
Brompton 4 speed drivetrain, 163% range |
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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 |
Unidirectional Carbon Beyond Road Platform, 1x Drivetrain Specific, 700c x 45 mm/650B x 50 mm Compatible, Flat Mount Disc, 142 x 12 mm Thru-Axle, Internal Dropper Post Routing, Internal Housing Routing, Mudguard and Rear Carrier Mounting, Plentiful Gear Mounts |
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Stem |
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Marin 3D Forged Alloy |
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Handle Bar |
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Marin Butted Alloy, Compact 12º Flared Drop, Flat Top |
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Fork |
Superlight Titanium fork with a threaded headset |
Marin Full Carbon w/ Tapered Steerer, 12 mm Thru-Axle, Flat-Mount Disc, Fender Eyelets |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Marin Alloy, 27.2 mm |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
Marin Shock Absorbing Tape |
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Crankset |
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Forged Alloy 1x11, Hollow CrMo Spindle, Narrow Wide 40T |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
Hollow pin Superlight Advance Chain |
KMC X11 |
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Shifters |
Brompton 4 speed trigger shifter |
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Gear |
4-speed gear system |
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Saddle |
Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell |
Marin Beyond Road Concept |
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Headset |
Brompton Superlight headset |
FSA Orbit IS, Sealed Cartridge Bearings, 1 1/8” x 1 1/2” |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano GRX RDX812 Shadow Plus w/ Clutch |
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Hub Front |
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Forged Aluminum Alloy, 32H |
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Hub Rear |
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Forged Aluminum Alloy, 32H |
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Spoke |
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14g Black Stainless Steel |
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Cassette |
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Shimano CS-M700 11-Speed, 11-42T |
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Chainrings |
6061 forged aluminium crank with 50T chainring and integrated chainguard |
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Sprocket |
11-13-15-18 Tooth |
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Bottom Bracket |
Square taper bottom bracket |
External Sealed Cartridge Bearings |
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Front |
Schwalbe ONE Black Tyre |
Schwalbe G-One Performance, 700C x 40 mm, Folding Bead |
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Rear |
Schwalbe ONE Black Tyre |
Schwalbe G-One Performance, 700C x 40 mm, Folding Bead |
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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 |
Marin Aluminum Double Wall, 21 mm Inner, 21 mm Tall, Disc Specific, Tubeless Compatible |
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