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 |
Felt Cyclocross UHC Advanced + TeXtreme carbon fiber, MMC with Inside Out construction, BB386 bottom bracket shell, 12 x 142 mm Syntace style thru axle, shoulder friendly top tube, flat mount disc brake standard, replaceable rear derailleur hanger, internal mechanical or electronic cable routing |
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Stem |
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Devox SL, -7¡ rise, ¯31.8 mm, 51 cm: 90 mm, 54 - 56 cm: 100 mm, 58 cm: 110 mm, 61 cm: 120 mm |
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Handle Bar |
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Devox Cross SL, drop: 126, reach: 70 mm flare 8-deg, ¯31.8 mm, 47 - 50 cm: 400 mm; 53 - 55 cm: 420 mm, 57-60 cm: 440 mm |
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Fork |
Superlight Titanium fork with a threaded headset |
Felt Cyclocross UHC Ultimate + TeXtreme carbon fiber monocoque construction, Control Taper 1.125" - 1.5" carbon fiber steerer tube, integrated crown and blades. Flat mount disc standard, 12 x 100 mm thru axle |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Devox Lite Road, ¯27.2 mm x 300 mm length |
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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 GRX810, 40T, 47-50 cm: 170 mm, 53-55 cm: 172.5 mm, 57 - 60 cm: 175 mm |
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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 11-speed |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano GRX810, 1 x 11 |
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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 |
Prologo X0 T2.0 |
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Headset |
Brompton Superlight headset |
FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20 mm PC, 4.5 mm aluminum), Felt top cap and aluminum bolt, No.42, 1.125 - 1.5" |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano GRX812, 11-speed long cage |
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Hub Front |
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Devox RSL3D, sealed cartridge bearing, 11-speed, 12 x 142 mm thru axle, Center Lock, 28H |
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Hub Rear |
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Devox RSL3D, sealed cartridge bearing, 12 x 100 mm thru axle, Center Lock, 28H |
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Spoke |
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2.0 mm stainless steel |
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Cassette |
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Shimano 11-speed, 11-40T |
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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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Front |
Schwalbe ONE Black Tyre |
Schwalbe X-One All Around MicroSkin TL-Easy, folding, 700 x 33c |
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Rear |
Schwalbe ONE Black Tyre |
Schwalbe X-One All Around MicroSkin TL-Easy, folding, 700 x 33c |
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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 |
Devox Variable Road Cx2.1, tubeless compatible 21 mm inner width, 23 mm depth |
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