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 |
KHS Toray High Modulus T800SC(60%)/M40JB(40%) Full Carbon Monocoque, Replaceable Derailleur Hanger, Front/Rear Thru-Axle |
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Stem |
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FSA 3D Forged, XS-S:90 mm, M-L:100 mm, XL:110 mm |
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Handle Bar |
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FSA Energy Compact, XS:40cm, S-ML:42cm, L-XL:44cm |
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Fork |
Superlight Titanium fork with a threaded headset |
KHS Pro Full Carbon Aero, 1.5 Taper |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Carbon |
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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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Shimano FC-RS510, 52/36T, Mid Compact, XS:165, S-M:170, ML:172.5, L-XL:175 |
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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 |
Shimano Ultegra, CN-HG701-11, 11-Speed |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano Ultegra, ST-R8020, Hydraulic |
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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 |
Velo Light-weight Road, CrMo Rail |
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Headset |
Brompton Superlight headset |
FSA Orbit C-40-CF-ACB, N.42CF, 1-1/8”~1.5” Integrated, Carbon Cap |
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Derailleur Front |
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Shimano Ultegra, FD-R8000 |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Ultegra, RD-R8000SS |
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Hub Front |
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Shimano RS-370 Disc, 12 x 142 mm |
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Hub Rear |
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Shimano RS-370 Disc, 12 x 100 mm |
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Spoke |
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Shimano RS-370, 24 x 24 |
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Cassette |
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Shimano CS-R7000, 11-30, 11-Speed |
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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 |
Shimano Outboard Bearing |
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Front |
Schwalbe ONE Black Tyre |
Kenda Valkyrie, 700 x 25C, 120TPI, Folding, Tubeless Ready, RC3, KSCT |
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Rear |
Schwalbe ONE Black Tyre |
Kenda Valkyrie, 700 x 25C, 120TPI, Folding, Tubeless Ready, RC3, KSCT |
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Wheel / RIM |
Front Wheel: Superlight front wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings and hex key axle
Rear Wheel: Superlight 4 speed rear wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings, newly developed 4 speed freehub body and hex key axle |
Shimano RS-370 Disc, Tubeless-Ready |
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