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 |
Reynolds 725 Chromoly Steel |
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Stem |
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Norco SL Aluminum - Custom Painted |
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Handle Bar |
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Norco Super Flare Aluminum, 16deg Flare |
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Fork |
Superlight Titanium fork with a threaded headset |
Mid-Modulus Carbon |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Norco SL Aluminum |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
Norco Griptacular Shockproof |
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Crankset |
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Shimano GRX FC-RX600 46/30T |
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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 |
KMC X10 |
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Shifters |
Brompton 4 speed trigger shifter |
Front: Shimano GRX ST-RX400 10 speed
Rear: Shimano GRX ST-RX400 2 speed |
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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 |
Norco SL Race, Cromo Rails |
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Headset |
Brompton Superlight headset |
FSA 44mm Cartridge Bearing |
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Derailleur Front |
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Shimano GRX FD-RX400 |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano GRX RD-RX400 |
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Hub Front |
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Shimano HB-RS470 12x100mm TA |
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Hub Rear |
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Shimano FH-RS470 12x142mm TA |
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Spoke |
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Sapim Race Butted, Black, Black Brass Nipples |
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Cassette |
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Shimano CS-HG50-10 11-36T |
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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 BB-RS500 PressFit BB86 |
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Front |
Schwalbe ONE Black Tyre |
WTB Resolute TCS 700x42c, Tubeless Compatible System, Tanwall |
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Rear |
Schwalbe ONE Black Tyre |
WTB Resolute TCS 700x42c, Tubeless Compatible System, Tanwall |
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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 |
WTB ST Light i23 TCS 2.0, Black, Tubeless Ready |
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