Drivetrain |
Brompton 4 speed drivetrain, 163% range |
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Frame |
Main Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame: Superlight Advance rear frame made from Titanium with a replaceable hanger, redesigned suspension block and new 54mm roller wheels |
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 |
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PUBLIC Brunch handlebar, steel, 570 mm wide |
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Fork |
Superlight Titanium fork with a threaded headset |
PUBLIC hi-tensile steel unicrown fork, with fender and rack braze-ons |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Kalloy alloy micro-adjust with integrated clamp, 27.2 mm |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
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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Chain |
Hollow pin Superlight Advance Chain |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano 7-speed twist shifter for Nexus Hub |
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Gear |
4-speed gear system |
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Saddle |
Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell |
VELO PUBLIC Premium Bike Saddle, 165 mm wide |
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Headset |
Brompton Superlight headset |
1" threaded, steel |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
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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 |
6061 forged aluminium crank with 50T chainring and integrated chainguard |
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Sprocket |
11-13-15-18 Tooth |
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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 |
Schwalbe ONE Black Tyre |
Kenda Kwest, 700 x 35c, with reflective stripe (Black)/tanwall (British Racing Green) |
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Rear |
Schwalbe ONE Black Tyre |
Kenda Kwest, 700 x 35c, with reflective stripe (Black)/tanwall (British Racing Green) |
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Wheel / RIM |
Front Wheel: Superlight front wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings and hex key axle
Rear Wheel: Superlight 4 speed rear wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings, newly developed 4 speed freehub body and hex key axle |
Painted to match, alloy double walled 36 hole, 700c, machined brake surface |
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Tube |
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Presta, 48 mm valve/li> |
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