| Drivetrain |
Brompton 3 speed drivetrain, 177% range |
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| Riding Modes |
3 Speed (Utility) |
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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 4 6061 Aluminum, 29" Wheels, Superlight Aluminum Frame, Flat-Mount Rear Brake, Internal Shifter and Dropper Post Routing, 148 x 12 mm Boost Thru-Axle |
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| Stem |
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Marin 3D Forged Alloy, 35 mm |
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| Handle Bar |
Mid handlebar |
Marin Mini-Riser, 6061 Double Butted Aluminum, 780 mm Width, 4º Up, 9º Back |
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| Fork |
Steel Brazed Fork |
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| Seatpost |
Extended, Silver (35") |
Marin Alloy, 30.9 mm |
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| Grip |
Push-on Rubber Grips |
Marin Single Clamp Locking |
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| Crankset |
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Forged Alloy 1x12, Hollow Spindle, Steel Narrow Wide 32T Chainring |
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| Pedals |
Non-folding Composite Pedals |
Nylon Platform |
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| Chain |
6061 forged aluminium crank with 44T chainring and integrated chainguard |
KMC X12 |
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| Shifters |
Brompton 3 Speed Shifter |
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| Saddle |
A Line saddle with black rails 147mm width
Composite seat clamp and rear frame clip in matt black finish |
Marin Speed Concept |
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| Headset |
Brompton Headset |
FSA No 42ACB, 1 1/8" x 1 1/2” |
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| Derailleur Rear |
Brompton Chain Pusher |
Shimano Deore 12-Speed |
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| Hub Front |
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Shimano, 110 x 15 mm, Centerlock Disc, 32H |
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| Hub Rear |
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Shimano, 148 x 12 mm, MicroSpline, Centerlock Disc, 32H |
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| Spoke |
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14g Black Stainless Steel |
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| Cassette |
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Shimano Deore 12-Speed, 10-51T |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
External Sealed Cartridge Bearings |
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| Front |
Schwalbe Marathon Racer |
Vee Tire, Rail Rocco XC, 29 x 2.3", Dual Control Compound, Folding Bead, Tubeless Ready |
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| Rear |
Schwalbe Marathon Racer |
Vee Tire, Rail Rocco XC, 29 x 2.3", Dual Control Compound, Folding Bead, Tubeless Ready |
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| Wheel / RIM |
Rear Wheel: Double-wall rim, 28 spoke, Brompton Standard ratio 3 speed internal gear hub, 13 tooth sprocket
Front Wheel: Double wall rims, 28 spokes laced to a Brompton front hub |
Marin Aluminum Double Wall, 29 mm Inner, Sleeve Joint, Disc Specific, Tubeless Compatible |
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| Tube |
Schrader Valve |
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