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 |
True Temper double-butted CroMo, custom tubing configuration, Shinola custom laser-cut dropouts, Internal brake and gear routing, rack and fender eyelets |
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Stem |
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Polished alloy, 1 1/8" +/- 6º rise |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Shinola Alloy, 55º backsweep, 580 mm width, 25.4 mm clamp |
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Fork |
Steel brazed fork |
Double-butted CroMo, Shinola custom cast fork crown, rack and fender eyelets |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Polished alloy, 27.2 mm x 350 mm |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Shinola leather w/alloy grip clamps, 13 mm |
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Crankset |
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FSA, F. Gimondi, 44T ring |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
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Shimano, 1/2" x 3/32" |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shimano Nexus Revo 3-speed |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Shinola leather, copper rails and rivets |
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Headset |
Brompton headset |
Polished alloy, 1 1/8" |
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Hub Front |
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Shimano Nexus 3-speed disc, Silent Clutch |
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Hub Rear |
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Shimano Deore disc, 32º, bolt-on |
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Spoke |
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DT Swiss Champion, 14g, stainless |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Shimano, cartridge, square taper |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Continental Contact Reflex, 700 x 32C, w/reflective strip |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Continental Contact Reflex, 700 x 32C, w/reflective strip |
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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) |
Sun CR-18, 32º, one-eyelet, Presta valve, polished silver |
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Tube |
Schrader valve |
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