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 3 DSX, 6061 Aluminum, Tapered Head Tube, Relieved BB, Internal Cable Routing, Mudguard and Rack Mounts, Flat Mount Disc, 142 x 12 mm Thru-Axle |
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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 MiniRiser |
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Fork |
Steel brazed fork |
Marin Full Carbon w/ Tapered Steerer, 12mm Thru-Axle, Flat-Mount Disc, Fender Eyelets |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Marin Alloy |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Marin MTB |
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Crankset |
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Forged Aluminum, 42T Steel Narrow Wide Chainring |
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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 X12 |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Marin DSX |
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Headset |
Brompton headset |
FSA No.42 ACB, Sealed Cartridge Bearings, 1 1/8” x 1 1/2” |
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Derailleur Rear |
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Shimano Deore 12-Speed |
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Hub Front |
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Forged Aluminum, 100 x 12 mm, Centerlock, 32H |
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Hub Rear |
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Shimano Forged Aluminum, 142 x 12 mm, Microspline, Centerlock, 32H |
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Spoke |
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14g Black Stainless Steel |
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Cassette |
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Shimano Deore 12-Speed, 10-51T |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Sealed Outboard Bearing |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Riddler, 700C x 45 mm |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Riddler, 700C x 45 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, 21 mm Inner, Disc Specific |
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Tube |
Schrader valve |
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