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 |
BACKROAD AL fog grey 46cm-27.5 |
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Stem |
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Rose Square (6°), aluminium 6061, integrated cable guides, anodized black 70 mm |
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Handle Bar |
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Ritchey Venture Max Comp, Rose Branding, Ø31.8 mm, black 40cm |
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Fork |
Superlight Titanium fork with a threaded headset |
ROSE-Cross Backroad, Carbon, 28" matt black/fog grey |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
ROSE carbon post, aluminium head, XX offset, matt carbon Ø27,2/350 mm |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
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Crankset |
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Shimano FC-RX600, GRX 40T 170 mm |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
Hollow pin Superlight Advance Chain |
Shimano CN-HG601, 118 links |
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Shifters |
Brompton 4 speed trigger shifter |
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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 |
Rose Edition by Selle Italia black |
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Headset |
Brompton Superlight headset |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
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Cassette |
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Shimano SLX CS-M7000 11-speed 11-42 |
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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 |
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