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, 29” trail geometry, rocker link suspension, internal cable routing, 9 mm x 141 mm QR dropout convertible to 12 mm x 148 mm thru axle, replaceable hanger, tapered headtube, 110 mm travel |
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Stem |
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Xposure 3D forged aluminum, threadless, 60 mm, 6°, 31.8 mm clamp |
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Handle Bar |
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Xposure, double-butted aluminum, 740 mm width, 15 mm rise, 31.8 mm clamp |
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Fork |
Superlight Titanium fork with a threaded headset |
Xposure, 29”, steel steerer, mechanical lockout, 9 mm x 100 mm, QR, 100 mm travel |
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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, 31.6 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 |
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Crankset |
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Aluminum, 36/22T |
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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 Z99 |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano Altus SL-2000, 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 |
Mongoose MTB, steel rails |
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Headset |
Brompton Superlight headset |
Threadless, ZS44/ZS56, retainer bearing |
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Derailleur Front |
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Shimano FD-M4020, side swing, direct mount |
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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 141 mm QR, 32H, 6-bolt |
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Hub Rear |
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Xposure, aluminum, ball bearing, 9 mm x 110 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 |
VP, cartridge, 3-piece, threaded 73 mm shell |
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