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 |
6061 Series Alloy PTC Disc Frame w/ Integrated Tapered Headtube, Internal Cable Routing & Smooth Welding |
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Stem |
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CNC Haro Top-Load, 52mm Ext. |
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Handle Bar |
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Cliq Addict 8" Rise, Heat Treated Cr-Mo |
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Fork |
Superlight Titanium fork with a threaded headset |
Citizen Carbon Fork w/ Tapered Alloy Steerer & 20mm Thru-Axle Dropouts |
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Seats |
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Box Echelon Plastic Seat Combo |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Carbon, 27.2mm
Clamp : Alloy, 31.8mm |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
Promax Click Grip |
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Crankset |
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2pc Alloy 24mm Cranks, 175mm |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
Hollow pin Superlight Advance Chain |
KMC Z33 |
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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 |
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Headset |
Brompton Superlight headset |
Cliq Integrated Tapered 1 1/8"-1 1/2" |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
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Hub Front |
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Low Flange Alloy Disc Cassette 36h, Sealed Bearing, 6-Bolt |
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Hub Rear |
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Low Flange Alloy 36h, Sealed Bearing, 20mm Thru-Axle |
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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 |
44t Alloy |
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Bottom Bracket |
Square taper bottom bracket |
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