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 |
Series 2 6061 Aluminum, 27.5” Wheels, 135mm Forged Dropouts, Chainstay Disc Mount, Full External Housing |
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Stem |
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Alloy, 31.8 mm, 45 mm |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
31.8 Riser, 12 mm Rise, 760 mm Width |
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Fork |
Steel brazed fork |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Alloy, Two Bolt |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Entity MTB, Closed End |
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Crankset |
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Shimano Altus MT101, 36/22T |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Nylon Platform |
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Chain |
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KMC X9 |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Sport MTB |
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Headset |
Brompton headset |
44 mm Zero Stack, 8 mm Cone |
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Derailleur Front |
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Shimano Altus |
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Derailleur Rear |
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Shimano Acera, 9-Speed |
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Hub Front |
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Forged Alloy, 6-Bolt Disc, 32H |
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Hub Rear |
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Forged Alloy, 6-Bolt Disc, 32H |
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Spoke |
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14g Black Stainless Steel, Brass |
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Cassette |
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Shimano HG-200, 9-Speed, 11-36T |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Sealed Cartridge Bearings, Square Taper |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Trailboss Comp, 27.5 x 2.25”, Wire Bead |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
WTB Trailboss Comp, 27.5 x 2.25”, 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) |
Double Wall Alloy |
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Tube |
Schrader valve |
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