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 |
Alloy 6061 with weather proofed internal cable routing and internal headset. |
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Stem |
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Forme Alloy, 60mm x 31.8mm |
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Handle Bar |
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Forme Alloy, 680mm x 31.8mm, 20mm Rise |
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Fork |
Superlight Titanium fork with a threaded headset |
SR Suntour XCE 28, 80mm |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Forme Alloy, 2 bolt, 30.9mm |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
Forme Lock On |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Black Nylon, Platform |
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Chain |
Hollow pin Superlight Advance Chain |
KMC, 8 Speed
Chainset: Prowheel, 170mm, 22T-36T |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano SL-M315, 16 Speed |
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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 |
Forme Sport Comfort |
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Headset |
Brompton Superlight headset |
44mm Integrated, Cage Bearing |
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Derailleur Front |
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Shimano Altus, Double |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Altus, 8 Speed |
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Cassette |
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Shimano HG200, 8 Speed, 11-32T |
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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 |
Square Taper, Cartridge Bearing |
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