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 |
Tommaso 6061 SLA Alloy Semi-Compact Road Frame |
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Stem |
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Tommaso Aluminum
Stem Length : 80mm (XS, S Frames) / 90mm (M Frame) / 110mm (L, XL Frames) |
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Handle Bar |
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Tommaso Alloy
Handlebar Width : 580mm (XS Frame) / 600mm (S, M, L Frames) / 620mm (XL Frame)
Handlebar Rise : 15mm |
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Fork |
Superlight Titanium fork with a threaded headset |
Tommaso HCT Carbon Fiber Fork with 1 1/8” Aluminum Steer Tube |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
Tommaso Forged 6061 Alloy - 31.8mm |
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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 Gel |
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Crankset |
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Shimano Acera Triple 48/36/26T
Crank Arm Length : 165mm (XS Frame) / 170mm (S, M Frames) / 175mm (L, XL Frames) |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Alloy Platform Pedals |
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Chain |
Hollow pin Superlight Advance Chain |
KMC Z99 - (9spd Chain) |
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Shifters |
Brompton 4 speed trigger shifter |
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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 - Street Smart Comfort |
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Headset |
Brompton Superlight headset |
Tommaso 1-1/8" Threadless |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
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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 |
Shimano BB-UN26 |
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