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, Dirt Jump geometry, horizontal dropout, tapered headtube |
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Stem |
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Mongoose, threadless, 45 mm |
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Handle Bar |
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Mongoose, aluminum, 750 mm width, 30 mm rise, 31.8 mm clamp |
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Fork |
Superlight Titanium fork with a threaded headset |
HL VAXA 30, 26”, steel steerer, 3/8” x 100 mm, nutted, 100 mm travel |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Aluminum, 200 mm, 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, single density |
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Crankset |
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Samox, ISIS Interface, 32T steel chainring |
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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 S1 |
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Shifters |
Brompton 4 speed trigger shifter |
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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, steel rails |
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Headset |
Brompton Superlight headset |
Threadless, ZS44/ZS56, retainer bearing |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
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Hub Front |
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Aluminum, ball bearing, 3/8 in, 32H, 160MM, 6-bolt |
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Hub Rear |
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Aluminum, ball bearing, 3/8 in axle, 32H |
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Spoke |
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14G, steel, chrome |
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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 |
Cartridge, cartridge, ISIS axle, 68mm |
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