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 Aluminum Compact Road Frame |
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Stem |
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Tommaso TRS Ultralight Sport Series
Length: 75mm (XS Frame) / 90mm (S Frame) / 105mm (M Frame) / 120mm (L, XL Frames) |
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Handle Bar |
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Tommaso TRS Ultralight Sport Series
Handlebar Width : 400mm (XS Frame) / 420mm (S, M, L Frames) / 440mm (XL Frame)
Handlebar Drop : 125mm
Handlebar Tape : Tommaso Cork Tape Black |
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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 TRS Ultralight Race Series Aluminum 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 |
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Crankset |
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Shimano Tiagra 4700 50/34t Compact
Crank Arm Length : 170mm (XS Frame) / 172.5mm (S, M Frames) / 175mm (L, XL Frames) |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Composite Flat |
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Chain |
Hollow pin Superlight Advance Chain |
KMC X10 (10-Speed) |
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Shifters |
Brompton 4 speed trigger shifter |
Shimano Tiagra 4700 |
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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 Volt - Tommaso Logo |
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Headset |
Brompton Superlight headset |
1-1/8" Integrated |
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Derailleur Front |
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Shimano Tiagra 4700 (2-spd) |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Tiagra 4700 (10-spd) |
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Cassette |
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Shimano Tiagra 4700 - 12-32t (10spd) |
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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 Tiagra 4700 |
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