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Main Frame
Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
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Rear Frame
Hand brazed cold-formed micro-alloy steel tubing
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Fork
Steel brazed fork
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Made In
Handmade in the UK
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Gearing
Brompton 2x3 6-speed
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Shifter
Brompton 2 and 3 speed Trigger shifters
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Derailleur
Brompton Chain pusher
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Crankset
6061 forged aluminum crank with 50T chainring and integrated chainguard
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Rear Cog(s)
13-16 Tooth
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Pedals
Brompton Folding left hand and non-folding right-hand pedals
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Bottom Bracket
Square taper bottom bracket
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Brakes
Brompton Dual Pivot Calipers
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Brake Levers
Brompton w/integrated bell/light mount
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Stem
Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
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Grips
Lock-on grips with soft-compound rubber adhered to an engineered core
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Seat
Brompton comfort with integrated handle
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Seatpost
Extended 90cm
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Seat Clamp
Machined aluminum seat clamp and rear frame clip in anodised matt black finish
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Headset
Brompton headset
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Tires
349 x 35C Schwalbe Marathon Racer. A puncture resistant tire with a reflective sidewall
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Tubes
Schrader Inner Tube
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Front Wheel
Double-wall rim, 28 spokes laced to a Brompton front hub
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Rear Wheel
Double wall rim, double-butted spokes and Brompton Wide ratio internal gear hub
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Roller Frame
Optional
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Front Carrier Block
Front Carrier Block Adaptor for all types of Brompton Luggage
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Fenders
Brompton Chromoplastic
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Hinge clamps
Composite hinge clamp levers
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Pump
Optional
* Specifications are subject to change without notice