Drivetrain |
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Brompton Wide-range 6 speed drivetrain (2 x 3 speed), 302% range |
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Frame |
7005 Alloy, smooth welded, cyclocross race geometry |
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 |
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Stem |
Boardman Alloy, 31.8 mm clamp |
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Handle Bar |
Boardman Alloy, 31.8 mm clamp, 70 mm reach, 120 mm drop |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
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Fork |
Full carbon blades and steerer |
Steel brazed fork |
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Seatpost |
Boardman Alloy, 31.6 x 350 mm |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
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Grip |
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Lock-on grips with soft-compound rubber adhered to an engineered core |
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Crankset |
SRAM Apex, X-Sync 44t, PF30 |
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Pedals |
Wellgo alloy with straps, 9/16” |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
SRAM PCX1 118 |
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Shifters |
SRAM Apex hydraulic levers, 11 speed |
Brompton 2 and 3 speed Trigger shifters |
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Saddle |
Boardman Road by Velo, steel rails |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
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Headset |
FSA Orbit C-40 ACB, 1 1/8” - 1.5” Tapered, Integrated |
Brompton headset |
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Derailleur Rear |
SRAM Apex, long cage |
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Hub Front |
Formula QR |
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Hub Rear |
Formula QR |
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Cassette |
SRAM PG1130, 11-42t, 11 speed (11-13-15-17-19-22- 25-28-32-36-42) |
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Chainrings |
44t |
44T (-12% gearing) |
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Bottom Bracket |
SRAM PF30 |
Square taper bottom bracket |
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Front |
Donnelly PDX, 60 tpi, 700 x 33c, wire bead (non-tubeless) |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
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Rear |
Donnelly PDX, 60 tpi, 700 x 33c, wire bead (non-tubeless) |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
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Wheel / RIM |
Boardman CXR Tubeless Ready |
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) |
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Tube |
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Schrader valve |
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