| 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 |
Custom designed and built from aircraft-grade chromoly steel for strength and durability |
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| Stem |
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Kalloy, with extensions for differerent sizes |
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| Handle Bar |
Mid handlebar |
Ruian 31.8 x 640 mm, ergonomically designed, wing shape |
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| Fork |
Steel Brazed Fork |
Custom-designed and built of chromoly by Furui |
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| Seatpost |
Extended, Silver (35") |
32 mm, with double binder bolts in chromoly steel |
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| Grip |
Push-on Rubber Grips |
HL, designed to minimize vibration and shock through the wrist joints |
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| Pedals |
Non-folding Composite Pedals |
HF, 9/16 diameter, boron Axle, silver body, and black top with JIS reflector |
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| Chain |
6061 forged aluminium crank with 44T chainring and integrated chainguard |
KMC, 0.5* 3/32*110L |
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| Shifters |
Brompton 3 Speed Shifter |
Shimano, 9-speed rapidfire plus with optial gear display |
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| Saddle |
A Line saddle with black rails 147mm width
Composite seat clamp and rear frame clip in matt black finish |
DDK, 10 x 706” comfort density seat. Steel with elastomer rail |
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| Headset |
Brompton Headset |
XR, 28.6 Steel alloy with black spacer |
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| Derailleur Rear |
Brompton Chain Pusher |
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| Hub Rear |
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Shimano 9 speed rear derailleur |
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| Chainrings |
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Prowheel, 3/32" 38T/STEEL |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
Kenli, square with fixing bolt |
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| Front |
Schwalbe Marathon Racer |
Compass, with high thread count and extra durable, 26 x 2.1" |
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| Rear |
Schwalbe Marathon Racer |
Compass, with high thread count and extra durable, 26 x 2.1" |
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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 |
26", 14g, 36 holes, double wide aluminum |
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| Tube |
Schrader Valve |
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