Gear Shift Pattern |
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Shift levers: Sram Force AXS 12s |
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Drivetrain |
Brompton 4 speed drivetrain, 163% range |
DT Swiss ARC 1100 50 |
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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 |
Carbon Advanced Composite frame, Full Internal Cable Routing, Flat mount disc 12x142 |
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Handle Bar |
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Carbon Full Integratted Internal Cable Routing: 90/400 (XS,S), 100/400 (S,M), 110/420 (M,L), 120/440 (L,XL) |
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Fork |
Superlight Titanium fork with a threaded headset |
Carbon Advanced Composite fork, Full Internal Cable Routing, Flat mount disc 12x100 |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Aerodinamic Advanced Carbon Seat Post |
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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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Crankset |
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Sram Force AXS 12s 48-35 Powermeter |
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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 |
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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 |
Selle San Marco Shortfit Dynamic Wide Manganese Carbon Fiber Reinforced 250 x 144mm |
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Headset |
Brompton Superlight headset |
Totally Internal Cable routing |
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Derailleur Front |
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Sram Force AXS 12s |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Sram Force AXS 12s |
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Cassette |
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Sram Force AXS 12s 10-33t |
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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 |
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