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 |
Utilitour Double Butted CrMo, Size-Specific Wheels (XS, S = 650B, M, L, XL = 700C) , Biometric 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, Rack, and Bottle Cage Eyelets, IS Disc Mount |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Marin Alloy, 27.2 mm |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Marin Comfort Bar Tape, Shock Absorbing Gel Pads |
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Crankset |
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Shimano Sora Hollowtech II, 50/39/30T |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Trekking Platform |
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Chain |
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KMC X9 |
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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 MTB |
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Headset |
Brompton headset |
FSA No.8D, Sealed Cartridge Bearings |
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Derailleur Front |
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Shimano Sora |
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Derailleur Rear |
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Shimano Sora 9-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 Black Stainless Steel |
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Cassette |
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Shimano HG-200-9 9-Speed, 11-34T |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Shimano Hollowtech II |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Resolute, 650B/700C x 42 mm, Puncture Protection |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Resolute, 650B/700C x 42 mm, Puncture Protection |
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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, Disc Specific |
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Tube |
Schrader valve |
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