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 |
PUBLIC chromoly hi-tensile blend, with fender and rack braze-ons |
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Stem |
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Forged alloy quill stem, -18 degree rise, 25.4 mm clamp |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
PUBLIC Brunch handlebar, steel, 570 mm wide |
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Fork |
Steel brazed fork |
PUBLIC hi-tensile steel unicrown fork, with fender and rack braze-ons |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Kalloy alloy micro-adjust with integrated clamp, 27.2 mm |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
VELO PUBLIC Slender Grip, with alloy clamps |
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Crankset |
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Lasco alloy crank set, 39t replaceable chainring with guard, 170 mm |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Wellgo alloy platform pedal, with rubber pads, 9/16" axle |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shimano 7-speed twist shifter for Nexus Hub |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
VELO PUBLIC Premium Bike Saddle, 165 mm wide |
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Headset |
Brompton headset |
1" threaded, steel |
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Hub Front |
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Shimano Nexus internally geared 7-speed hub |
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Hub Rear |
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Alloy hub with bolt-on axle |
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Spoke |
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Stainless steel 14G |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
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Stand |
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Alloy center mount |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Kenda Kwest, 700 x 35c, with reflective stripe (Black)/tanwall (British Racing Green) |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Kenda Kwest, 700 x 35c, with reflective stripe (Black)/tanwall (British Racing Green) |
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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) |
Painted to match, alloy double walled 36 hole, 700c, machined brake surface |
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Tube |
Schrader valve |
Presta, 48 mm valve/li> |
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