Drivetrain |
Brompton 4 speed drivetrain, 163% range |
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Frame |
Main Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame: Superlight Advance rear frame made from Titanium with a replaceable hanger, redesigned suspension block and new 54mm roller wheels |
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 |
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Jamis Flat bar, 6061 T-6 aluminum, 25.4 x 10˚ sweep x 600mm |
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Fork |
Superlight Titanium fork with a threaded headset |
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 Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Jamis alloy micro-adjust, 27.2 x 350mm alloy clamp with QR seatpin |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
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 |
Hollow pin Superlight Advance Chain |
KMC Z8 |
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Shifters |
Brompton 4 speed trigger shifter |
Shift levers : Shimano RapidFire Plus SL-M315, 24-speed |
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Gear |
4-speed gear system |
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Saddle |
Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell |
NEW Jamis Touring Women’s with SL top |
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Headset |
Brompton Superlight 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 |
Patent-pending direct mount 4 speed derailleur |
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 |
6061 forged aluminium crank with 50T chainring and integrated chainguard |
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Sprocket |
11-13-15-18 Tooth |
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Bottom Bracket |
Square taper bottom bracket |
Sealed cartridge, 68 x 110.5mm |
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Front |
Schwalbe ONE Black Tyre |
Vittoria Randonneur with reflective sidewalls, 700 x 40c |
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Rear |
Schwalbe ONE Black Tyre |
Vittoria Randonneur with reflective sidewalls, 700 x 40c |
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Wheel / RIM |
Front Wheel: Superlight front wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings and hex key axle
Rear Wheel: Superlight 4 speed rear wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings, newly developed 4 speed freehub body and hex key axle |
Alex ID-19 double wall alloy rims with GSW sidewall, 32H, alloy hubs with QR and 14g stainless steel spokes |
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