Drivetrain |
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Brompton 4 speed drivetrain, 163% range |
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Frame |
Alu 27.5, Integrated steering |
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 |
Byte alu, oversize |
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Handle Bar |
Byte alu 720 mm, oversize, flat |
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Fork |
Suspended 27.5 "100 mm, alu with alu crown, 28.6 mm stanchions, with MLO (mechanical lock out) |
Superlight Titanium fork with a threaded headset |
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Seatpost |
Byte alu 27,2 mm |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
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Grip |
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Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
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Crankset |
Aluminum 42/34/24, cartridge movement |
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Pedals |
Resin / steel |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
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Hollow pin Superlight Advance Chain |
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Shifters |
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Brompton 4 speed trigger shifter |
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Gear |
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4-speed gear system |
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Saddle |
Atala MTB with protections |
Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell |
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Headset |
Integrated 1 "1/8 |
Brompton Superlight headset |
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Derailleur Rear |
Shimano Tourney FD-TY700 31.8 mm |
Patent-pending direct mount 4 speed derailleur |
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Hub Front |
Shimano TX505, 36 holes, disc center lock |
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Chainrings |
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6061 forged aluminium crank with 50T chainring and integrated chainguard |
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Sprocket |
Shimano Altus RD-M310 8s |
11-13-15-18 Tooth |
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Bottom Bracket |
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Square taper bottom bracket |
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