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 |
6061 Aluminum Double Butted w/Disc Mounts and Internal Cable Routing, 1.5 Taper, 12 mm Thru-Axle, Flat Mount Disc |
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Stem |
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Promax Aluminum 3D Forged, Threadless 4-bolt, 31.8 mm, XS:80 mm, S:90 mm, M-L:100 mm |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
FSA Adventure Compact, Double Butted, Ergonomic, 31.8 mm, XS:40cm, S-M:42cm, L-XL:44cm |
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Fork |
Steel brazed fork |
Carbon Disc w/Aluminum Steerer, 1.5 Taper, Flat Mount, 12 mm Thru-Axle |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Aluminum Micro-Adjust, 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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FSA Omega, 2-pc, Forged, 48/32T, XS:165, S-M:170, L:175 |
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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 X9 w/MissingLink |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shimano Sora ST-R3000 |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
KHS Sport Road |
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Headset |
Brompton headset |
FSA Orbit Integrated Sealed ACB, 1-1/8”~1.5” |
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Derailleur Front |
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Shimano Sora R3000, 31.8 mm |
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Derailleur Rear |
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Shimano Sora R3000GS |
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Hub Front |
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Formula Aluminum Disc 12 x 142 mm QR, Cassette |
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Hub Rear |
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Formula Aluminum Disc, 12 mm QR Thru-Axle |
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Spoke |
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14G Stainless Black, 32 x 32 |
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Cassette |
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Shimano HG200-9, 11-36T, 9-Speed |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
FSA Mega EXO Outboard Bearing |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Kenda K1226 Alluvium Pro, 700 x 40c, 120TPI, GCT, Folding |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Kenda K1226 Alluvium Pro, 700 x 40c, 120TPI, GCT, 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) |
Weinmann U28 TL, Disc Double Wall, Tubeless-Ready |
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Tube |
Schrader valve |
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