| Drivetrain |
Brompton 3 speed drivetrain, 177% range |
2x11-speed |
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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 |
Felt IntegratedAero Disc 1.0 UHC Advanced + TeXtreme carbon fiber |
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| Stem |
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Felt Dagger 31.8 Integrated SuperLite aluminum |
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| Handle Bar |
Mid handlebar |
Basebar : Devox Bayonet 3.1 SuperLite aluminum / Extensions: Devox Ergomod aluminum |
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| Fork |
Steel Brazed Fork |
Felt IntegratedAero Disc 1.0 - Dagger UHC Advanced + TeXtreme carbon fiber |
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| Seatpost |
Extended, Silver (35") |
Felt Aero TRI IL 1.0 VM UHC Advanced carbon fiber |
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| Grip |
Push-on Rubber Grips |
Felt EVA arm pads with anti-microbial cover and Felt Gel tape |
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| Crankset |
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Shimano 105 R7000, 52/36T |
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| Pedals |
Non-folding Composite Pedals |
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| Chain |
6061 forged aluminium crank with 44T chainring and integrated chainguard |
Shimano 105 HG601 |
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| Shifters |
Brompton 3 Speed Shifter |
MicroSHIFT A11, TRI/TT |
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| Saddle |
A Line saddle with black rails 147mm width
Composite seat clamp and rear frame clip in matt black finish |
ISM PS1.0 |
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| Headset |
Brompton Headset |
IS (IS-2) |
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| Derailleur Front |
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Shimano 105 R7000, braze-on |
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| Derailleur Rear |
Brompton Chain Pusher |
Shimano 105 R7000, short cage |
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| Hub Front |
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Shimano RS470 | J-Bend, Center Lock, 28h, TA 12 x 142, 11-speed |
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| Hub Rear |
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Shimano RS470 J-Bend, Center Lock, 28h, TA 12 x 100 |
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| Spoke |
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J-Bend, 2.0, stainless steel, black |
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| Cassette |
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Shimano 105 R7000, 11-28T |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
Shimano RS500 |
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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 |
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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 : 5 | 48, 51, 54, 56, 58cm
Derailleur Hanger Type Front : Brazed-On | integrated backup plate, non-replaceable, aluminum
Derailleur Hanger Type Rear : Standard Mount | TA 12x142 TRI/TT, horizontal, replaceable, aluminum
Protector Type : Steerer stop integration for head tube protection / Felt ChainPlate for chain suck protection / Clear vinyl for chain slap protection
Head-Tube Type : Felt Aero | 1.125"
Routing Type : Semi-Hidden | convertible for electronic or mechanical
Brake Calipers : TRP HD-T910, hydraulic disc, flat mount |
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