| 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 3 6061 Aluminum Frame, 29” Wheels, 125 mm Travel, MultiTrac Suspension Platform, 141 Boost Spacing (upgradable to 148x12), 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 |
Mid handlebar |
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 |
RockShox Recon Silver RL 29", 130 mm Travel, Solo Air, Compression and Rebound Adjustment, Alloy Tapered Steerer, Fast Black Uppers, 110 x 15 mm Boost Spacing, Maxle Stealth, 42 mm Offset |
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| Seatpost |
Extended, Silver (35") |
Marin Alloy, 30.9 mm |
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| Grip |
Push-on Rubber Grips |
Marin MTN, Closed End |
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| Crankset |
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Marin Forged Alloy, Integrated Steel 32T Narrow Wide Chainring, Boost Spacing |
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| Pedals |
Non-folding Composite Pedals |
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| Chain |
6061 forged aluminium crank with 44T chainring and integrated chainguard |
KMC X-11 Silver and Black |
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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 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2” |
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| Derailleur Rear |
Brompton Chain Pusher |
Shimano Deore SGS, Shadow Plus, Direct Attachment, 11-Speed |
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| Hub Front |
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Shimano HF-MT400B, 110 x 15 mm, Centerlock |
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| Hub Rear |
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Shimano HB-MT200B, 141 QR, Centerlock, 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, 11-Speed, 11-51T, ED Black |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
External Sealed Cartridge Bearing |
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| Front |
Schwalbe Marathon Racer |
Vee Tire Crown Gem 29 x 2.35", Dual Control Compound, Tubeless Ready |
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| Rear |
Schwalbe Marathon Racer |
Vee Tire Crown Gem 29 x 2.35", Dual Control Compound, 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, Pinned Joint, Disc Specific, Tubeless Compatible |
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| Tube |
Schrader Valve |
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