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 |
Custom Formed and Butted AL-6061 Heat Treated Aluminum 700c Endurance Road Geometry |
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Stem |
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Kalloy SA-DB2 Alloy 7 Deg. 31.8 mm Bore |
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Handle Bar |
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Kalloy HB-CR21 Road Bend, 31.8 mm |
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Fork |
Superlight Titanium fork with a threaded headset |
Alloy 1-1/8" Road |
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Seats |
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Raleigh Road with Steel Rails |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Kalloy SP-375 Micro Adjust Alloy, 27.2 x 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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FSA Tempo Compact Alloy Arm with 34/50 Cho-moly Chainrings |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
FPD NW-366 |
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Chain |
Hollow pin Superlight Advance Chain |
KMC Z8.1 |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano R2000 Claris 2x8 Shifter / Brake Lever |
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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 |
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Headset |
Brompton Superlight headset |
Integrated Threaded 1-1/8" |
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Derailleur Front |
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Shimano R2000 Claris |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano R2000 Claris |
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Hub Front |
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JoyTech F362TSE Alloy Road 28-Hole |
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Hub Rear |
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JoyTech A171DSE Alloy Road 28-Hole |
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Spoke |
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14g Stainless Steel |
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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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