| 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 |
PUBLIC premium aluminum tubing, with fender and rack braze-ons |
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| Stem |
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Kalloy forged alloy quill stem, 25 degree rise, 25.4 mm clamp |
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| Handle Bar |
Mid handlebar |
PUBLIC alloy riser handlebar, 610 mm wide, 15 degree backsweep, 35 mm rise |
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| Fork |
Steel Brazed Fork |
PUBLIC hi-tensile steel unicrown fork, with fender and rack braze-ons |
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| Seatpost |
Extended, Silver (35") |
Kalloy alloy micro-adjust with integrated clamp, 27.2 mm |
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| Grip |
Push-on Rubber Grips |
VELO PUBLIC Slender Grip, leather-like, full-length, with alloy clamps |
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| Crankset |
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Lasco alloy crankset 170 mm, 39 tooth chainring with outer chainring guard, square tape |
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| Pedals |
Non-folding Composite Pedals |
Wellgo M149 full alloy platform and cage, 9/16" axle |
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| Chain |
6061 forged aluminium crank with 44T chainring and integrated chainguard |
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| Shifters |
Brompton 3 Speed Shifter |
Shimano Altus Rapidfire trigger shifters, 9-speed index |
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| Saddle |
A Line saddle with black rails 147mm width
Composite seat clamp and rear frame clip in matt black finish |
VELO PUBLIC Premium Sport Saddle, 153 mm wide, chromoly rails, with brass rivits |
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| Headset |
Brompton Headset |
1" threaded, steel |
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| Derailleur Rear |
Brompton Chain Pusher |
Shimano Altus 9-speed |
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| Hub Front |
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Alloy low flange 32H, bolt-on QR skewer |
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| Hub Rear |
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Alloy low flange 32H, bolt-on QR skewer |
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| Spoke |
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14G Stainless steel |
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| Cassette |
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Shimano 9 speed HG201 11-34 tooth cassette |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
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