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 |
Series 1 Fitness, 6061 Aluminum, 700C Wheels, Disc Brake, Internal Cable Routing, Fender and Rack Mounts |
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Stem |
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Marin Alloy Threadless |
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Handle Bar |
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30 mm Rise Marin Alloy |
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Fork |
Superlight Titanium fork with a threaded headset |
Cr-Mo Steel, Straight Blade, Disc Mount, Fender and Rack Eyelets |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
27.2mm Marin Alloy |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
Marin Commute |
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Crankset |
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Shimano FC-TY301, 48/38/28T, Ring Guard |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Commute Platform |
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Chain |
Hollow pin Superlight Advance Chain |
KMC Z50 |
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Shifters |
Brompton 4 speed trigger shifter |
Shift Lever : Shimano EF41 Shifter/Brake Lever Combo, 3x7-Speed |
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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 |
Marin Fitness Plush |
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Headset |
Brompton Superlight headset |
FSA, Threadless |
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Derailleur Front |
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Shimano TY510 |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
Shimano Tourney, 7-Speed |
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Hub Front |
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Forged Aluminum Alloy, Disc, 32H |
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Hub Rear |
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Forged Aluminum Alloy, Disc, 32H |
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Spoke |
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14 g Stainless Steel |
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Cassette |
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SunRace 7-Speed, 11-34T |
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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 |
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