| 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 |
Tectonic T2, aluminum, 27.5” urban geometry, internal cable routing, 9 mm x 135 mm dropout, replaceable hanger |
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| Stem |
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Xposure 3D forged aluminum, threadless, 70 mm/90 mm, 6°, 31.8 mm clamp |
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| Handle Bar |
Mid handlebar |
Xposure, aluminum, 680 mm width, 25 mm rise, 31.8 mm clamp |
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| Fork |
Steel Brazed Fork |
Xposure, 27.5”, steel steerer, 9 mm x 100 mm, QR |
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| Seatpost |
Extended, Silver (35") |
Xposure, aluminum, 350 mm, zero offset, 27.2 mm |
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| Grip |
Push-on Rubber Grips |
Xposure Kraton, semi-ergo |
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| Crankset |
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Prowheel RPL-421, aluminum, 46/30T |
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| Pedals |
Non-folding Composite Pedals |
Mongoose, nylon |
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| Chain |
6061 forged aluminium crank with 44T chainring and integrated chainguard |
KMC X9 |
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| Shifters |
Brompton 3 Speed Shifter |
Shimano Acera SL-M2000, 2 x 9 |
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| Saddle |
A Line saddle with black rails 147mm width
Composite seat clamp and rear frame clip in matt black finish |
Mongoose urban, steel rails |
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| Headset |
Brompton Headset |
Threadless, ZS44/ZS44, retainer bearing |
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| Derailleur Front |
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Shimano FD-T3000-2, top swing, band clamp |
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| Derailleur Rear |
Brompton Chain Pusher |
Shimano Altus RD-M2000 |
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| Hub Front |
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Xposure, aluminum, ball bearing, 9 mm x 135 mm QR, 32H, 6-bolt |
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| Hub Rear |
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Xposure, aluminum, ball bearing, 9 mm x 100 mm, 32H, 6-bolt |
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| Spoke |
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14G, stainless steel |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
Prowheel, cartridge, 2-piece, threaded 68 mm shell |
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| Front |
Schwalbe Marathon Racer |
WTB Horizon, 650c x 47c, wire bead |
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| Rear |
Schwalbe Marathon Racer |
WTB Horizon, 650c x 47c, wire bead |
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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 |
Xposure MD-155, aluminum double wall, 26 mm ID, 32H, tubeless compatible |
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| Tube |
Schrader Valve |
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