Drivetrain |
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Brompton 4 speed drivetrain, 163% range |
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Frame |
28", ultra lite AL-6061 tubing
Sizes : 44/48/52/56 cm |
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 |
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Stem |
BGM Pro, multiposition 10°/25°, clamp diameter: 31.8 mm |
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Handle Bar |
BGM Pro, riserbar, backsweep: 15° |
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Fork |
BGM Trekking rigid alloy fork, alloy steerer, disc |
Superlight Titanium fork with a threaded headset |
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Seats |
Ergon ST10 |
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Seatpost |
BGM Comp |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
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Grip |
BGM Comfort, Ergo, double density, clamp version |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
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Crankset |
Shimano FC-T521, 48/36/26t, with chaincover |
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Pedals |
Trekking alloy |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
Shimano CN-HG54 |
Hollow pin Superlight Advance Chain |
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Shifters |
Shimano Deore, SL-T6000, 3x10-speed, rapidfire plus-shifter |
Brompton 4 speed trigger shifter |
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Gear |
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4-speed gear system |
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Saddle |
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Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell |
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Headset |
BGM Comp, A-Headset, semi-integrated, 1 1/8" |
Brompton Superlight headset |
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Derailleur Front |
Shimano Deore, FD-T6000 |
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Derailleur Rear |
Shimano Deore XT, RD-T8000, Shadow |
Patent-pending direct mount 4 speed derailleur |
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Hub Front |
Shimano FH-M4050, centerlock, disc, quick release |
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Hub Rear |
Shimano dynamo hub, DH-3D37, centerlock, disc, quick release |
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Spoke |
stainless, black |
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Cassette |
Shimano CS-HG500, 11-32t |
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Chainrings |
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6061 forged aluminium crank with 50T chainring and integrated chainguard |
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Sprocket |
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11-13-15-18 Tooth |
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Bottom Bracket |
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Square taper bottom bracket |
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Headlamp |
B&M Avy N Plus, 40 Lux, LED, standlight |
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Taillamp |
B&M Toplight 2 C Plus, LED, standlight |
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Front |
Schwalbe Marathon Almotion, Raceguard, reflective stripe, 50-622
Tubes: Schwalbe SV19B Light |
Schwalbe ONE Black Tyre |
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Rear |
Schwalbe Marathon Almotion, Raceguard, reflective stripe, 50-622
Tubes: Schwalbe SV19B Light |
Schwalbe ONE Black Tyre |
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Wheel / RIM |
Rims : BGM Pro X15, disc, 32h |
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 |
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