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 |
Tectonic T2, aluminum, 29” trail geometry, rocker link suspension, internal cable routing, 9 mm x 141 mm QR dropout convertible to 12 mm x 148 mm thru axle, replaceable hanger, tapered headtube, 110 mm travel |
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Stem |
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Xposure 3D forged aluminum, threadless, 60 mm, 6°, 31.8 mm clamp |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Xposure, double-butted aluminum, 740 mm width, 15 mm rise, 31.8 mm clamp |
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Fork |
Steel brazed fork |
Xposure, 29”, steel steerer, mechanical lockout, 9 mm x 100 mm, QR, 100 mm travel |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Xposure, aluminum, 350 mm, zero offset, 31.6 mm |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Xposure Kraton |
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Crankset |
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Aluminum, 36/22T |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Mongoose, nylon |
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Chain |
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KMC Z99 |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shimano Altus SL-2000, 2 x 9 |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Mongoose MTB, steel rails |
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Headset |
Brompton headset |
Threadless, ZS44/ZS56, retainer bearing |
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Derailleur Front |
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Shimano FD-M4020, side swing, direct mount |
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Derailleur Rear |
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Shimano Altus RD-M2000 |
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Hub Front |
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Xposure, aluminum, ball bearing, 9 mm x 141 mm QR, 32H, 6-bolt |
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Hub Rear |
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Xposure, aluminum, ball bearing, 9 mm x 110 mm, 32H, 6-bolt |
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Spoke |
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14G, stainless steel |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
VP, cartridge, 3-piece, threaded 73 mm shell |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Xposure MTB, 29 in x 2.25 in, wire bead |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Xposure MTB, 29 in x 2.25 in, wire bead |
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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) |
Rims: Xposure, aluminum double wall, 23 mm ID, 32H |
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Tube |
Schrader valve |
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