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 |
A2-SL alloy, threaded bottom bracket |
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Stem |
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Oval Concepts 313, 3D-forged 6061, +/-6° |
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Handle Bar |
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Oval Concepts 300S Shallow Drop, 6061 alloy, 31.8 mm clamp, 133 mm compact drop |
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Fork |
Superlight Titanium fork with a threaded headset |
C5 carbon legs, carbon steerer |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Oval Concepts 300, alloy, 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 |
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Crankset |
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FSA Vero, 50/34T |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Road, clips & straps |
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Chain |
Hollow pin Superlight Advance Chain |
KMC X9 |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano Sora Dual Control, 2 x 9-speed OR microSHIFT R9 Dual Control |
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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 |
Oval Concepts 344, steel rails |
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Headset |
Brompton Superlight headset |
1 1/8" sealed bearings |
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Derailleur Front |
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Shimano Sora OR microSHIFT R9 |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Sora OR microSHIFT R9 |
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Cassette |
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Shimano HG200 , 11-34T OR microSHIFT CS-H092 |
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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 |
Sealed cartridge bearing |
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Front |
Schwalbe ONE Black Tyre |
Vittoria Zaffiro V, 700 x 30c, 26tpi |
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Rear |
Schwalbe ONE Black Tyre |
Vittoria Zaffiro V, 700 x 30c, 26tpi |
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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 |
Alex alloy rims, Formula hubs, 28/32H |
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