Drivetrain |
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Brompton 4 speed drivetrain, 163% range |
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Frame |
29" (27.5"), lite AL-6061 tubing
Size : XS7/S7/M7/M9/L9/XL9 |
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 |
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Stem |
BGM Comp, +/-6° |
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Handle Bar |
BGM Comp, riserbar, width: 660 mm |
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Fork |
Suntour XCE28 DS, 100 mm, preload adjust |
Superlight Titanium fork with a threaded headset |
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Seats |
Syncros Savona 2.5 |
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Seatpost |
BGM Comp |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
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Grip |
Syncros MTB |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
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Crankset |
Shimano FC-TY501, 42/34/24t |
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Pedals |
Wellgo LU895 |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
KMC Z8 |
Hollow pin Superlight Advance Chain |
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Shifters |
Shimano SL-M315, 3x8-speed, rapidfire-plus-shifter |
Brompton 4 speed trigger shifter |
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Gear |
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4-speed gear system |
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Saddle |
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Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell |
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Headset |
BGM FP-H807B, A-Headset, semi-integrated, 1 1/8" |
Brompton Superlight headset |
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Derailleur Front |
Shimano FD-TY700 |
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Derailleur Rear |
Shimano RD-TX800 |
Patent-pending direct mount 4 speed derailleur |
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Hub Front |
Shimano, centerlock, disc, quick release |
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Hub Rear |
Shimano, centerlock, disc, quick release |
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Spoke |
Steel, black |
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Cassette |
Sunrace CS-M55, 11-34t |
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Chainrings |
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6061 forged aluminium crank with 50T chainring and integrated chainguard |
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Sprocket |
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11-13-15-18 Tooth |
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Bottom Bracket |
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Square taper bottom bracket |
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