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 |
Aluminum folding frame |
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Stem |
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Foldable, FB306 27.2X300MM |
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Handle Bar |
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Aluminium, Width: 560mm, Barbore-25.4, 6 degree Bend and Rise-00mm
Handles : black 130/75mm LockOn |
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Fork |
Superlight Titanium fork with a threaded headset |
HiTen |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
33.9x580x2.4T |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
109.4X74X25MM, 9/16", foldable |
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Chain |
Hollow pin Superlight Advance Chain |
Prowheel 3/32"X38T, 170mm, Aluminum |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano Nexus Revoshift SL-3S41E |
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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 |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
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Hub Front |
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Hub dynamo, 28 H, silver |
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Hub Rear |
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3-speed NEXUS freewheel, SG-3R40, 28H 120X170mm |
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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 |
18T |
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Bottom Bracket |
Square taper bottom bracket |
BSA 4-Kant |
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Stand |
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Side support adjustable |
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Headlamp |
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AXA Compact line 20 lux |
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Taillamp |
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AXA Juno Auto LED battery taillight |
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