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 |
4-Bar Horst Link 29/650B+ 130 mm, 6061 Aluminum w/Custom Formed Double Butted T/T & D/T, 1.5 Taper, 12 x 148 Rear Axle, w/Replaceable Derailleur Hanger, Internal Cable |
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Stem |
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35mm Aluminum 3D Forged, Threadless 4-bolt |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Aluminum 35mm Riser, 780 x 15 mm |
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Fork |
Steel brazed fork |
SR XCR34 Boost, LOR Air, S:27.5, M-XL:29”, 140 mm, 34 mm Stanchions, Aluminum Steerer, Magnesium Lowers, Hydraulic Damp, External rebound, Lock-Out, 1.5 Taper, 15QR x 110 mm |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Kind Shock Exa-Form KSP-900-i, Integra w/Remote, Travel Adjust, 31.6 mm |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Q2 Lock-on |
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Crankset |
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SR Zeron, 2-pc, Boost, 30T Zig/Zag, S:170, M-XL: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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Shimano CN-M6100 |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shimano Deore, SL-M6100, 12s, Trigger, Right Only |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
WTB Volt Medium SL |
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Headset |
Brompton headset |
FSA Orbit 1.5E, Zero Stack, 1-1/8”~1.5 |
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Derailleur Rear |
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Shimano Deore, RD-M6100 |
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Hub Front |
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Formula Sealed Bearing Aluminum Disc, Cassette, 12 x 148 mm Boost |
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Hub Rear |
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Formula Sealed Bearing Aluminum Disc, 15 mm, 110 mm Boost |
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Spoke |
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14G Stainless Black w/Aluminum Nipples, 32 x 32 |
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Cassette |
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Shimano CS-M6100, 10-51T, 12-Speed |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
SR Outboard Cartridge Bearing |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Kenda Regolith Pro, S:27.5 x 2.6”, M-XL:29 x 2.4”, 120TPI, Folding, Tubeless-Ready |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Kenda Regolith Pro, S:27.5 x 2.6”, M-XL:29 x 2.4”, 120TPI, Folding, 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=S:i35, M-XL:i29 TCS, Disc, Double Wall, 32H, Tubeless-Ready |
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Tube |
Schrader valve |
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