Drivetrain |
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Brompton 4 speed drivetrain, 163% range |
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Frame |
ADT 6061 Formtech Alloy, Replaceable Hanger, internal brake cable |
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 |
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Stem |
Zero 31.8 mm Alloy Ahead, 6 deg |
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Handle Bar |
Alloy 31.8 with 9deg back sweep and 12mm rise, XS=640mm,S=660mm, M-XXL=680 mm |
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Fork |
SR Suntour XCE, 100 mm Travel |
Superlight Titanium fork with a threaded headset |
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Seatpost |
Zero Alloy 30.9mm, S-L=350 mm, XL/XX=400 mm |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
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Grip |
Zero Strike Dual Compound |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
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Crankset |
Shimano TY301 42/34/24T |
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Pedals |
Nylon platform with ball bearings |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
KMC Z-9 |
Hollow pin Superlight Advance Chain |
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Shifters |
Shimano Altus M315 RapidFire Plus 21-Speed |
Brompton 4 speed trigger shifter |
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Gear |
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4-speed gear system |
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Saddle |
Zero Zealth Sport |
Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell |
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Headset |
Semi-Integrated Threadless 1-1/8" |
Brompton Superlight headset |
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Derailleur Front |
Shimano TY300 |
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Derailleur Rear |
Shimano TY300 |
Patent-pending direct mount 4 speed derailleur |
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Hub Front |
Shimano TX505 Alloy Centrelock Cassette 32H |
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Spoke |
Stainless Steel |
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Cassette |
Shimano HG200 Cassette, 12-28T 7-Speed |
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Chainrings |
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6061 forged aluminium crank with 50T chainring and integrated chainguard |
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Sprocket |
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11-13-15-18 Tooth |
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Bottom Bracket |
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Square taper bottom bracket |
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