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 T1, aluminum, 26” cargo geometry, internal cable routing, 9 mm x 141 mm dropout, replaceable hanger |
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Stem |
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Xposure diecast, quill, 70 mm, 7°, 25.4 mm clamp |
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Handle Bar |
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Xposure, aluminum, 635 mm width, 25 mm rise, 25.4 mm clamp |
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Fork |
Superlight Titanium fork with a threaded headset |
Mongoose, 26”, 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, 400 mm, 20 mm offset, 27.2 mm seat post, 31.8 mm seat clamp |
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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, 42/32/22T |
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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 Z72 |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano EF500, 3 x 8 |
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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 |
Mongoose MTB comfort, steel rails |
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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-TX800, band clamp |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Altus RD-M310 |
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Hub Front |
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Xposure, aluminum, ball bearing, 9 mm x 141 mm, 32H, 6-bolt |
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Hub Rear |
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Xposure, aluminum, ball bearing, 9 mm x 100mm, 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 |
VP, cartridge, 3-piece, threaded 73mm BB shell |
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Front |
Schwalbe ONE Black Tyre |
Xposure MTB, 26 in x 2.35 in, wire bead |
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Rear |
Schwalbe ONE Black Tyre |
Xposure MTB, 26 in x 2.35 in, 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, aluminum double wall, 26 mm ID, 32H |
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