| 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, 29” cross country geometry, internal cable routing, 12 mm x 148 mm dropout, replaceable hanger, tapered headtube |
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| Stem |
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Xposure 3D forged aluminum, threadless, 60 mm/70 mm, 6°, 31.8 mm clamp |
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| Handle Bar |
Mid handlebar |
Xposure, double-butted aluminum, 740 mm width, 15 mm rise, 31.8 mm clamp |
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| Fork |
Steel Brazed Fork |
RockShox Judy Silver, 29”, aluminum tapered steerer, 15 mm x 110 mm, thru axle, 100 mm travel |
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| Seatpost |
Extended, Silver (35") |
Xposure, dropper, 400 mm, zero offset, 125 mm travel, internal with remote, 31.6 mm |
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| Grip |
Push-on Rubber Grips |
Xposure Kraton, lock-on |
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| Crankset |
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Shimano FC-MT101, aluminum, 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 X12 |
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| Shifters |
Brompton 3 Speed Shifter |
Shimano SLX SL-7100, 12-speed |
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| Saddle |
A Line saddle with black rails 147mm width
Composite seat clamp and rear frame clip in matt black finish |
WTB Rocket 142 mm, steel rails |
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| Headset |
Brompton Headset |
Threadless, ZS44/ZS56, retainer bearing |
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| Derailleur Rear |
Brompton Chain Pusher |
Shimano SLX RD-7100 |
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| Hub Front |
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Shimano FH-MT510, aluminum, ball bearing, 12 mm x 148 mm thru axle, 32H, Center Lock |
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| Hub Rear |
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Shimano HB-MT400B, aluminum, ball bearing, 15 mm x 110 mm, 32H, Center Lock |
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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 |
Shimano, external, 2-piece, threaded 73 mm shell |
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| Front |
Schwalbe Marathon Racer |
Schwalbe Rocket Ron, 29 in x 2.25 in, folding bead |
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| Rear |
Schwalbe Marathon Racer |
Schwalbe Rocket Ron, 29 in x 2.25 in, folding 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 |
WTB ST-i29, aluminum double wall, 29 mm ID, 32H, tubeless compatible |
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| Tube |
Schrader Valve |
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