Load Carrying Capacity |
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Combined weight of bicycle, rider, and cargo of 175 pounds (80 kg) |
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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 |
Alpha Silver aluminum, rack and kickstand mounts, replaceable derailleur hanger, 135 x 5 mm QR |
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Stem |
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Bontrager Approved alloy, 25.4 mm clamp, 15 degree rise, 60 mm |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Kids' steel, 25.4 mm clamp, 40 mm rise, 560 mm width |
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Fork |
Steel brazed fork |
Steel, 24'', threadless 1-1/8'' steerer |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Steel, 27.2 mm, 300 mm length |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Kids' grip, 125 mm width |
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Crankset |
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ProWheel alloy, 32T steel ring w/double guard, 152 mm length |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Kids' Satellite, 9/16 thread |
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Chain |
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KMC Z8.3 |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shimano Tourney RS45, 8 speet twist |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Kids' 24'' size, padded |
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Headset |
Brompton headset |
Adjustable ball bearing, threadless |
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Derailleur Rear |
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Shimano Tourney TX80 |
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Hub Front |
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Steel, 8-speed, 135 mm bolt-on |
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Hub Rear |
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Steel, 100 mm bolt-on |
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Spoke |
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14g stainless steel |
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Cassette |
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SunRace MFM56l, 13-34, 8 speed |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Square taper, 68 mm, sealed cartridge |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Bontrager XR1, wire bead, 27tpi, 24 x 2.25'' |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Bontrager XR1, wire bead, 27tpi, 24 x 2.25'' |
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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) |
24'' 32-hole alloy |
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Tube |
Schrader valve |
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