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 3 6061 Aluminum, Double Butted Frame, Internal Shifter and Dropper Post Routing, 148 x 12 mm Boost Thru-Axle |
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Stem |
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60 mm Marin 3D Forged Alloy |
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Handle Bar |
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Marin Mini-Riser, 6061 Double Butted Aluminum, 780 mm Width, 4º Up, 9º Back |
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Fork |
Superlight Titanium fork with a threaded headset |
RockShox Judy Silver TK, 100 mm Travel, Compression and Rebound Adjustment, Alloy Tapered Steerer, Solo Air Spring, 110 x 15 mm Boost Spacing, Maxle Stealth, 51 mm Offset |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
30.9 mm 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 MTN, Closed End |
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Crankset |
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Marin Forged Alloy 1 x 11, Hollow Spindle, Steel Narrow-Wide 32T Chainring, BCD 76 mm |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Nylon Platform |
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Chain |
Hollow pin Superlight Advance Chain |
KMC X11 |
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Shifters |
Brompton 4 speed trigger shifter |
Shift Lever : SRAM NX 1x11-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 Speed Concept |
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Headset |
Brompton Superlight headset |
FSA No 57E, Sealed Cartridge Bearings, 1 1/8" x 1 1/2” |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
SRAM NX 11-Speed |
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Hub Front |
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Forged Alloy, 148 x 12 mm, Quad Sealed Cartridge Bearings, Alloy Axle, Centerlock Disc, 32H |
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Hub Rear |
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Forged Alloy, 110 x 15 mm, Sealed Cartridge Bearings, Centerlock Disc, 32H |
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Spoke |
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14 g Black Stainless Steel |
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Cassette |
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SunRace 11-Speed, 11-42T |
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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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Front |
Schwalbe ONE Black Tyre |
Vee Tire Co, Crown Gem 29 x 2.3", Dual Control Compouint, Wire Bead |
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Rear |
Schwalbe ONE Black Tyre |
Vee Tire Co, Crown Gem 29 x 2.3", Dual Control Compouint, Wire Bead |
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Wheel / RIM |
Front Wheel: Superlight front wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings and hex key axle
Rear Wheel: Superlight 4 speed rear wheel – Lightweight rim, double-butted spokes and aluminium hub body with sealed bearings, newly developed 4 speed freehub body and hex key axle |
Marin Aluminum Double Wall, 29 mm Inner, Pinned Joint, Disc Specific, Tubeless Compatible |
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