Drivetrain |
Brompton Wide-range 6 speed drivetrain (2 x 3 speed), 302% range |
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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 |
C10 high-modulus carbon, VRTech, integrated and tapered head tube, PF30 BB, 142 x 12 mm thru-axle, fender mounts |
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Stem |
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Oval Concepts 313, 3D-forged 6061, +/-6° |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Oval Concepts 310 Ergo, 6061 alloy, 31.8 mm clamp, 133 mm drop, 4° sweep |
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Fork |
Steel brazed fork |
C10 carbon monocoque, VRTech, tapered carbon steerer, 100 x 12 mm thru-axle, hidden fender eyelets |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Oval Concepts 905, carbon, 27.2 mm |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
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Crankset |
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Oval Concepts 300, Praxis rings, 50/34T |
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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 |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shimano 105 Dual Control, 2 x 11-speed |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Oval Concepts 344, steel rails |
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Headset |
Brompton headset |
FSA, 1 1/8" upper - 1 1/2" lower, integrated |
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Derailleur Front |
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Shimano 105 |
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Derailleur Rear |
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Shimano 105 |
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Cassette |
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Shimano 105, 11-34T |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Praxis PF30 conversion bottom bracket |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Vittoria Zaffiro Pro V, G2.0, 700 x 30c, 26tpi, folding |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Vittoria Zaffiro Pro V, G2.0, 700 x 30c, 26tpi, folding |
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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) |
Oval Concepts 324 Disc, 24/28H |
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Tube |
Schrader valve |
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