| 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 |
Felt Adventure Road Disc Superlite custom butted aluminum, smooth welded construction, 68 mm BSA threaded bottom bracket shell, 12 x 142 mm with Syntace style thru axle, flat mount disc brake standard, replaceable rear derailleur hanger, internal mechanical cable routing |
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| Stem |
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Devox VariableAngle, ±8¡/±16¡ rise, ¯31.8 mm, 47 cm: 80 mm, 51 cm: 90 mm, 54 - 56 cm: 100 mm, 58 cm: 110 mm, 61 cm: 120 mm |
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| Handle Bar |
Mid handlebar |
Devox adventure bend, 86 mm reach, 130 mm drop, 8¡ flare, ¯31.8 mm, 47 cm: 400 mm, 51 cm: 420 mm, 54 cm: 440 mm, 56 - 61 cm: 460 mm |
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| Fork |
Steel Brazed Fork |
Felt Adventure Gravel UHC Advanced carbon fiber monocoque construction, Control Taper 1.125" - 1.5" aluminum steerer tube, flat mount disc standard, 12 x 100 mm thru axle with mid-mount rack and fender mounts |
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| Seatpost |
Extended, Silver (35") |
Devox Lite Road, ¯27.2 mm x 330 mm length |
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| Grip |
Push-on Rubber Grips |
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| Crankset |
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FSA Tempo Adventure, 46/30T, 47 cm: 165 mm, 51 cm: 170 mm, 54 - 56 cm: 172.5 mm, 58 - 61 cm: 175 mm |
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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 8-speed |
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| Shifters |
Brompton 3 Speed Shifter |
Shimano Claris R2000 8-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 |
SR Essenza Blackstar Gel |
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| Headset |
Brompton Headset |
FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20 mm PC, 4.5 mm aluminum), Felt top cap and aluminum bolt, No.42, 1.125 - 1.5" |
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| Derailleur Front |
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Shimano Claris clamp-on, ¯31.8 mm |
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| Derailleur Rear |
Brompton Chain Pusher |
Shimano Sora ST-R3000 long cage |
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| Hub Front |
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Devox GR.1 Disc, 11-speed, 12 x 142 mm thru axle, 6-bolt, 28H |
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| Hub Rear |
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Devox GR.1 Disc, 12 x 100 mm thru axle, 6-bolt, 28H |
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| Spoke |
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2.0 mm ED Black |
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| Cassette |
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8-speed, 12-34T |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
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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 |
Bar Tape : Felt Velvet Gel tape with 3M reflective base with reflective Felt Bubble-Tech F-Wing bar end plugs
Bottom Bracket : Sealed cartridge, BSA threaded, square taper axle, 68 x 118 mm
Seatpost Clamp : Felt single bolt, ¯31.8 mm diameter
Thru Axles : Front: 12 x 100 x 125, thread: M12 x 1.5P x 17L, Maxle; Rear: 12 x 142 x 163 (163L + 9 head = 172 total), thread: M12 x 1.0P x 19L, Syntace |
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