Drivetrain |
Brompton 4 speed drivetrain, 163% range |
2x11-speed |
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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 |
Felt AeroRoad 3.0 UHC Ultimate + TeXtreme carbon fiber |
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Stem |
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Felt Sprint UHC Advanced carbon fiber |
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Handle Bar |
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PRO Vibe Aero Superlight |
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Fork |
Superlight Titanium fork with a threaded headset |
Felt AeroRoad 3.0 UHC Ultimate + TeXtreme carbon fiber |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Felt AeroRoad IL 2.0 UHC Advanced + TeXtreme carbon fiber |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
Felt VelvetGel tape with 3M reflective base and Felt Bubble-Tech F-Wing bar end plugs |
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Crankset |
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Shimano Dura-Ace R9100, 52/36T
Crank Length : 48cm: 167.5 mm / 51cm: 170 mm / 54, 56cm: 172.5 mm / 58, 61cm: 175 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 Dura-Ace HG901 |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano Dura-Ace Di2 R9170 |
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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 |
Prologo Dimension 143 Nack |
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Headset |
Brompton Superlight headset |
IS (NO.44) |
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Derailleur Front |
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Shimano Dura-Ace R9150 Di2, braze-on |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Dura-Ace R9150 Di2, short cage |
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Cassette |
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Shimano Dura-Ace R9100, 11-28T |
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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 |
CeramicSpeed EVO386 for Shimano Road |
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Features |
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Additional Details |
Folded Size: 645mm (H) x 585mm (W) x 270mm (D) (25.3” x 23” x 10.6”)
Chain tensioner: Advance chain tensioner with replaceable hanger mounting
Front carrier: Front carrier block adaptor for all types of Brompton luggage (non-electric)
Mudguards: New curved profile with updated mudguard flaps |
Sizes : 6 | 48, 51, 54, 56, 58, 61cm
Frame Technologies : MMC / InsideOut
Derailleur Hanger Type Front : Brazed-On | integrated backup plate, non-replaceable, aluminum
Derailleur Hanger Type Rear : Standard Mount TA 12x142 road, replaceable, aluminum
Protector Type : Felt SteererStop integration for replaceable brake and shift protection / Felt CDRoad integration for chain drop protection / Felt ChainPlate for chain suck protection / Clear vinyl for chain slap protection
Brake Calipers : Shimano Dura-Ace R9170, hydraulic disc, flat mount
Routing Type : Semi-Hidden electronic specific
Fork Technologies : Monocoque construction / Integrated crown race |
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