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 |
Series 1 Comfort, 6061 Aluminum, 27.5” Wheels, Disc Specific, Comfort Control Geometry, Kickstand Mount, Fender and Rack Mounts |
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Stem |
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Marin Alloy |
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Handle Bar |
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Marin Alloy, 60 mm Rise, 30˚ Backsweep |
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Fork |
Superlight Titanium fork with a threaded headset |
CrMo Steel, Straight Blade, Disc Specific, Fender and Rack Eyelets |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Marin Alloy, 30.9 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 County |
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Crankset |
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Alloy Crank, Steel 38T Chainring, Ring Guard |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Marin Comfort Platform |
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Chain |
Hollow pin Superlight Advance Chain |
KMC Z8 |
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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 Comfort |
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Headset |
Brompton Superlight headset |
FSA, TH No.10P |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Tourney, 7-Speed |
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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 Stainless Steel |
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Cassette |
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SunRace 7-Speed, 11-34T |
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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 |
Sealed Cartridge Bearings, Square Taper |
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Front |
Schwalbe ONE Black Tyre |
Vee Tire Co. Speedster, 27.5”x 2.35”, Puncture Protection |
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Rear |
Schwalbe ONE Black Tyre |
Vee Tire Co. Speedster, 27.5”x 2.35”, Puncture Protection |
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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, Disc Specific |
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