Drivetrain |
Brompton 4 speed drivetrain, 163% range |
Shimano 2x8-speed drivetrain |
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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 |
Fuji A2-SL custom-butted alloy |
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Stem |
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Alloy adjustable |
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Handle Bar |
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Alloy, 25 mm rise, 25° backsweep |
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Fork |
Superlight Titanium fork with a threaded headset |
SR NEX suspension, 63 mm travel |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Alloy micro-adjust suspension , 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 |
Velo comfort, lock on |
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Crankset |
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Prowheel, 46/30T |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Resin platform |
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Chain |
Hollow pin Superlight Advance Chain |
KMC HV700 |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano Altus, 2 x 8-speed OR microSHIFT TS-39 |
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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 |
Selle Royal LookIn |
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Headset |
Brompton Superlight headset |
1-1/8" threaded |
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Derailleur Front |
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Shimano Tourney OR microSHIFT Marvo LT |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Altus OR microSHIFT RD-M26S |
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Cassette |
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Shimano Altus, 11-34T OR microSHIFT CS-H081 |
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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 |
Sealed cartridge bearing |
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