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 |
Toray T1000/T800 Carbon Fibre Monocoque |
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Stem |
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Ultra Tri Alloy, Black, 31.8 mm |
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Fork |
Superlight Titanium fork with a threaded headset |
Full Carbon Monocoque, Tapered Steerer |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Ultra TT Carbon, Black |
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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 |
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Chain |
Hollow pin Superlight Advance Chain |
SRAM Red 12-Speed with Flattop Powerlock |
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Shifters |
Brompton 4 speed trigger shifter |
SRAM eTap CLICS/BLIPS |
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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 |
ISM PN1.1, Cromoly Rail, Black |
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Headset |
Brompton Superlight headset |
Ultra TT, 1 1/8”- 1 3/8”, Black |
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Derailleur Front |
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SRAM Red eTap AXS 12-Speed Braze-On |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
SRAM Red eTap AXS 12-Speed |
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Cassette |
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SRAM XG-1290 12-Speed 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 |
Ribble Press Fit PF30 68 x 46 |
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