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 Double Butted CrMo Beyond Road, 700 C Wheels, Beyond Road Geometry, Fender and Rack Mounts, Disc Mount |
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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 |
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Fork |
Superlight Titanium fork with a threaded headset |
CrMo, Fender and Rack Eyelets, IS Disc Mount |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
27.2 mm Marin Alloy |
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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 Comfort Tape |
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Crankset |
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FSA Tempo Compact, Narrow-Wide, 42T |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Commute Platform |
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Chain |
Hollow pin Superlight Advance Chain |
KMC X9 |
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Shifters |
Brompton 4 speed trigger shifter |
Shift Lever : MicroSHIFT Advent, 1 x 9 Specific |
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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 No.8D, Sealed Cartridge Bearings |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
MicroSHIFT Advent, 1 x 9 w/ Clutch Mech |
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Hub Front |
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Forged Aluminum Alloy, 6-Bolt Disc, 32H |
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Hub Rear |
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Forged Aluminum Alloy, 6-Bolt Disc, 32H |
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Spoke |
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14 g Black Stainless Steel |
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Cassette |
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SunRace 9-Speed, 11-46T |
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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 |
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