| 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 |
Tectonic T2, aluminum, 27.5” urban geometry, Integrated Rear Rack, internal cable routing, 9 mm x 135 mm dropout, replaceable hanger |
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| Stem |
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Xposure 3D forged aluminum, threadless, 70 mm/90 mm, 6°, 31.8 mm clamp |
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| Handle Bar |
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Xposure, aluminum, 680 mm width, 25 mm rise, 31.8 mm clamp |
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| Fork |
Superlight Titanium fork with a threaded headset |
Xposure, 27.5”, steel steerer, 9 mm x 100 mm, QR |
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| Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Xposure, aluminum, 350 mm, zero offset, 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 |
Xposure Kraton, semi-ergo |
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| Crankset |
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Prowheel RPL-421, aluminum, 46/30T |
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| Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Mongoose, nylon |
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| Chain |
Hollow pin Superlight Advance Chain |
KMC X9 |
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| Shifters |
Brompton 4 speed trigger shifter |
Shimano Acera SL-M2000, 2 x 9 |
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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 |
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| Headset |
Brompton Superlight headset |
Threadless, ZS44/ZS44, retainer bearing |
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| Derailleur Front |
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Shimano FD-T3000-2, top swing, band clamp |
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| Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Altus RD-M2000 |
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| Hub Front |
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Xposure, aluminum, ball bearing, 9 mm x 135 mm QR, 32H, 6-bolt |
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| Hub Rear |
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Xposure, aluminum, ball bearing, 9 mm x 100 mm, 32H, 6-bolt |
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| Spoke |
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14G, stainless steel |
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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 |
Prowheel, cartridge, 2-piece, threaded 68 mm shell |
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| Front |
Schwalbe ONE Black Tyre |
WTB Horizon, 650c x 47c, wire bead |
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| Rear |
Schwalbe ONE Black Tyre |
WTB Horizon, 650c x 47c, wire bead |
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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 |
Xposure MD-155, aluminum double wall, 26 mm ID, 32H, tubeless compatible |
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