| 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 |
C10 high-modulus carbon, VRTech, integrated and tapered head tube, PF30 BB, 142 x 12 mm thru-axle, fender mounts |
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| Stem |
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Oval Concepts 313, 3D-forged 6061, +/-6° |
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| Handle Bar |
Mid handlebar |
Oval Concepts 310 Ergo, 6061 alloy, 31.8 mm clamp, 133 mm drop, 4° sweep |
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| Fork |
Steel Brazed Fork |
C10 carbon monocoque, VRTech, tapered carbon steerer, 100 x 12 mm thru-axle, hidden fender eyelets |
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| Seatpost |
Extended, Silver (35") |
Oval Concepts 905, carbon, 27.2 mm |
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| Grip |
Push-on Rubber Grips |
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| Crankset |
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Oval Concepts 300, Praxis rings, 50/34T |
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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 X11 |
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| Shifters |
Brompton 3 Speed Shifter |
Shimano 105 Dual Control, 2 x 11-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 |
Oval Concepts 344, steel rails |
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| Headset |
Brompton Headset |
FSA, 1 1/8" upper - 1 1/2" lower, integrated |
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| Derailleur Front |
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Shimano 105 |
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| Derailleur Rear |
Brompton Chain Pusher |
Shimano 105 |
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| Cassette |
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Shimano 105, 11-34T |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
Praxis PF30 conversion bottom bracket |
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| Front |
Schwalbe Marathon Racer |
Vittoria Zaffiro Pro V, G2.0, 700 x 30c, 26tpi, folding |
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| Rear |
Schwalbe Marathon Racer |
Vittoria Zaffiro Pro V, G2.0, 700 x 30c, 26tpi, folding |
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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 |
Oval Concepts 324 Disc, 24/28H |
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| Tube |
Schrader Valve |
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| About |
The Brompton A Line is a practical bicycle designed with a focus on utility. Its technical spec Read More |
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| Features |
- 3 Easy to use hub gears
- Folds in 20 seconds |
- C10 high-modulus carbon with VRTech (Vibration Reduction Technology)
- Shimano 105 components
- Wave Seatstay
- Internal Cabel Routing
- Integrated Chain Watcher
- Chainstay Protector
- Hidden Fender Eyelets |
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| Additional Details |
Folded Size: 25.3' H' x 23'' W x 10.6'' D
Hinge Clamps: Composite hinge clamp levers |
Sizes : XXS (46cm), XS (49cm), S (52cm), M (54cm), L (56cm), XL (58cm), XXL (61cm)
Tape : Anti-slip silicone |
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