Drivetrain |
Brompton Wide-range 6 speed drivetrain (2 x 3 speed), 302% range |
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Speed |
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22 |
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Frame |
Main Frame : Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame : Hand brazed cold-formed micro-alloy steel tubing |
BallisTec Carbon Frame, Kingpin suspension system, 12x142 Speed Release Thru-axle, dropper post compatible, direct line cable routing |
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Stem |
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Cannondale 3, 6061 Alloy, 31.8, 7° |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Cannondale 3, butted 6061 alloy, 16 deg flare drop |
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Fork |
Steel brazed fork |
BallisTec Full Carbon, 1-1/8" to 1.5" steerer, 55 mm OutFront offset, flat mount disc, internal routing, 12 x 100 speed release thru axle |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Cannondale 3, 6061 Alloy, 27.2 x 350 mm |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Cannondale Bar Tape, 3.5 mm |
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Crankset |
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Cannondale, BB30a, OPI SpideRing, 46/30 |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
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KMC X11, 11-speed |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shimano GRX 600, 11-speed |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Fabric Scoop Shallow Sport, steel rails |
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Headset |
Brompton headset |
Integrated, 1-1/8" - 1.5" |
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Derailleur Rear |
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Shimano GRX 812, Shadow RD+ |
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Hub Front |
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Formula cartridge bearing, Centerlock, 12 x 142 mm |
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Hub Rear |
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Formula cartridge bearing, Centerlock, 12 x 100 mm |
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Spoke |
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Stainless Steel, 14g |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Cannondale BB30 |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Riddler TCS Light, 700 x 37c, tubeless ready |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Riddler TCS Light, 700 x 37c, tubeless ready |
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Wheel / RIM |
Front-wheel: Double-wall rim, 28 spokes laced to a Brompton front hub.
Rear-wheel: Double wall rim, 28 spoke, Brompton Wide ratio 3 speed internal gear hub with 2 speed external gears (13 and 16 tooth) |
WTB ST i23 TCS, 28h, tubeless ready |
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Tube |
Schrader valve |
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