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 |
Size Specific Design Double-butted chromoly frame, 48mm extended head tube with reinforced collars, double tapered cromo stays, kickstand mount, forged dropouts and fender/rack eyelets |
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Stem |
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Jamis Road, 3D forged 6061 alloy, 25.4 x 17˚ x 75mm (14-18”) |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Jamis Flat bar, 6061 T-6 aluminum, 25.4 x 10˚ sweep x 600mm |
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Fork |
Steel brazed fork |
Chromoly tapered straight blade unicrown with bulge butted steerer and 50mmm crown, low-rider carry mounts and forged dropouts with 2 fender eyelets |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Jamis alloy micro-adjust, 27.2 x 350mm alloy clamp with QR seatpin |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Anatomic double density kraton |
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Crankset |
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Shimano FC-TY501, 48/38/28T, 170mm (15-19”) 175mm (21-23”) |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Platform style, steel cage/resin body |
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Chain |
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KMC Z8 |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shift levers : Shimano RapidFire Plus SL-M315, 24-speed |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
NEW Jamis Touring Women’s with SL top |
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Headset |
Brompton headset |
Threadless, 1 1/8” |
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Derailleur Front |
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FD-TY710 bottom pull |
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Derailleur Rear |
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Shimano Acera M360 SGS rear |
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Cassette |
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Shimano HG41 8-speed, 11-32T |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Sealed cartridge, 68 x 110.5mm |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Vittoria Randonneur with reflective sidewalls, 700 x 40c |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Vittoria Randonneur with reflective sidewalls, 700 x 40c |
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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) |
Alex ID-19 double wall alloy rims with GSW sidewall, 32H, alloy hubs with QR and 14g stainless steel spokes |
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Tube |
Schrader valve |
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