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 |
Oversized Bearing CantiBeam Link SinglePivot, Custom Formed TIG Welded 6061 Aluminum Front Triangle with Hydroformed tubes. Rear Triangle with replaceable rear derailleur hanger NOTE: Some Parts May Update to New Specs. XSmall frames have downtube shock mount |
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Stem |
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Comp Aluminum Threadless for 1.125 inch |
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Handle Bar |
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20° rise Aluminum |
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Fork |
Superlight Titanium fork with a threaded headset |
SunTour XCT long travel, preload, advanced LOCKOUT |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Aluminum alloy MicroAdjust, 27.2mm |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
Kraton Black dual compound |
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Crankset |
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SunTour XCT, aluminum arms, Powershift Rings 22/32/42T |
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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 |
Narrow 8 Speed |
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Shifters |
Brompton 4 speed trigger shifter |
SHIMANO ST-EF51 24 SPD, EZ Fire Trigger |
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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 |
WTB Speed V Sport SE with LoveChannel |
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Headset |
Brompton Superlight headset |
Cane Creek Threadless 1.125 inch, contact sealed ball bearing |
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Derailleur Front |
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Shimano FDM310 |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Acera |
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Hub Front |
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Formula Forged Aluminum Disc w/Q.R. and debris sealed ball bearings |
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Spoke |
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Stainless Steel |
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Cassette |
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SHIMANO CS-HG MegaRange 8 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 |
Sealed Cartridge Unit, Square taper, 68/122mm |
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