Drivetrain |
Brompton Wide-range 6 speed drivetrain (2 x 3 speed), 302% range |
Shimano SLX drivetrain |
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Frame |
Main Frame : Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame : Hand brazed cold-formed micro-alloy steel tubing |
Series 3 6061 Aluminum Frame, 29” Wheels, 125 mm Travel, MultiTrac Suspension Platform, 148 x 12 mm Boost Thru-Axle, 73 mm Threaded BB w/ ISCG05 Tabs |
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Stem |
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Marin 3D Forged Alloy, 35 mm |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Marin Mini-Riser, 6061 Double Butted Aluminum, 780 mm Width, 28 mm Rise, 5º Up, 9º Back |
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Fork |
Steel brazed fork |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
X-Fusion Manic, 1x Composite Remote, Size S 125 mm Travel, Size M and L 150 mm Travel, Size XL 175 mm Travel, 30.9 mm |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Marin Single Clamp Locking |
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Crankset |
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FSA GRID, Modular 1x, 32T Direct Mount Chainring, MegaTooth Technology, Mego EXO Spindle, Boost Spacing |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
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KMC X-12 Silver and Black |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Marin Speed Concept |
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Headset |
Brompton headset |
FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2” |
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Derailleur Rear |
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Shimano SLX SGS, Direct Attachment, 12-Speed |
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Hub Front |
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Forged Alloy, 110 x 15 mm, 32H |
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Hub Rear |
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Forged Alloy, 148 x 12 mm, Quad Sealed Bearings, 32H, Standard Freehub Body |
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Spoke |
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14g Black Stainless Steel |
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Cassette |
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SunRace, 12-Speed, 11-51T, ED Black |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Mego EXO 73 mm BSA |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Vee Tire Co, Flow Snap, 29 x 2.35, Tackee Compound, 72 TPI, Tubeless Compatible |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Vee Tire Co, Flow Snap, 29 x 2.35, Tackee Compound, 72 TPI, Tubeless Compatible |
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Wheel / RIM |
Front-wheel: Double-wall rim, 28 spokes laced to a Brompton front hub.
Rear-wheel: Double wall rim, 28 spoke, Brompton Wide ratio 3 speed internal gear hub with 2 speed external gears (13 and 16 tooth) |
Marin Aluminum Double Wall, 29 mm Inner, Sleeved Joint, Disc Specific, Tubeless Compatible |
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Tube |
Schrader valve |
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