Drivetrain |
Brompton Wide-range 6 speed drivetrain (2 x 3 speed), 302% range |
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Frame |
Main Frame : Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame : Hand brazed cold-formed micro-alloy steel tubing |
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 |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Marin Butted Alloy, Compact 12º Flared Drop |
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Fork |
Steel brazed fork |
CrMo, Fender and Rack Eyelets, IS Disc Mount |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
27.2 mm Marin Alloy |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
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 |
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KMC X9 |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shift Lever : MicroSHIFT Advent, 1 x 9 Specific |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Marin Beyond Road Concept |
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Headset |
Brompton headset |
FSA No.8D, Sealed Cartridge Bearings |
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Derailleur Rear |
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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 |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Horizon, 650B x 47 mm |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Horizon, 650B x 47 mm |
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Wheel / RIM |
Front-wheel: Double-wall rim, 28 spokes laced to a Brompton front hub.
Rear-wheel: Double wall rim, 28 spoke, Brompton Wide ratio 3 speed internal gear hub with 2 speed external gears (13 and 16 tooth) |
Marin Aluminum Double Wall, 25 mm Inner, Disc Specific |
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Tube |
Schrader valve |
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