Drivetrain |
Brompton 4 speed drivetrain, 163% range |
Wide Range Shimano GRX Drivetrain |
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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 |
RUUT 2.0 CUSTOM FORMED AL6061-T6 |
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Stem |
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RONDO 80 MM(S), 90 MM(M,L), 110 MM(XL) |
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Handle Bar |
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RONDO FLARE 400 MM (XS), 420 MM(S), 440 MM(M,L), 460 MM(XL) |
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Fork |
Superlight Titanium fork with a threaded headset |
TWINTIP 2.0 CARBON |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
RONDO 350 X 27.2 |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
VELO COMFORT TAPE |
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Crankset |
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RONDO 46/30 165 MM (XS) 170 MM(S), 172.5 MM(M,L), 175 MM (XL) |
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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 KCN4601 |
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Shifters |
Brompton 4 speed trigger shifter |
SHIMANO GRX RX400 |
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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 |
FABRIC SCOOP FLAT |
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Headset |
Brompton Superlight headset |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
SHIMANO RD RX400 |
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Hub Front |
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RONDO SUPERLIGHT SEALED BEARINGS |
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Hub Rear |
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RONDO SUPERLIGHT SEALED BEARINGS |
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Cassette |
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SHIMANO HG-50-10 11-36 10 SPEED |
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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 |
PF 86/SHIMANO BB RS500 |
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