| Selected Bikes |  Author Sonic 27.5 2021-22
Brand: Model: |
 Brompton A Line
Brand: Model: |
Brand: Model: |
Brand: Model: |
| Drivetrain | -- | Brompton 3 speed drivetrain, 177% range | ||
| Riding Modes | -- | 3 Speed (Utility) | ||
| Frame | Triple butted hydroformed alloy 6061 27.5" | 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 |
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| Stem | AUTHOR alloy | -- | ||
| Handle Bar | AUTHOR Flat Top bar 9° 620 / 640 mm | Mid handlebar | ||
| Fork | -- | Steel Brazed Fork | ||
| Seatpost | AUTHOR alloy (31.6) | Extended, Silver (35") | ||
| Grip | AUTHOR kratton rubber | Push-on Rubber Grips | ||
| Pedals | -- | Non-folding Composite Pedals | ||
| Chain | KMC X10 | 6061 forged aluminium crank with 44T chainring and integrated chainguard | ||
| Shifters | SHIMANO Deore (10) | Brompton 3 Speed Shifter | ||
| Saddle | AUTHOR Champion | A Line saddle with black rails 147mm width Composite seat clamp and rear frame clip in matt black finish |
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| Headset | -- | Brompton Headset | ||
| Derailleur Rear | SHIMANO Deore | Brompton Chain Pusher | ||
| Hub Rear | QUANDO Disc 32 holes | -- | ||
| Spoke | Black stainless steel 2.0 mm | -- | ||
| Sprocket | -- | 13 Tooth | ||
| Bottom Bracket | PROWHEL BB unit | Square taper bottom bracket |
| Front | CST B-Trail aramid 27.5" × 2.25" | Schwalbe Marathon Racer | ||
| Rear | CST B-Trail aramid 27.5" × 2.25" | Schwalbe Marathon Racer | ||
| Wheel / RIM | Rims : AUTHOR Xenon TRC 27.5 32 holes | 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 |
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| Tube | -- | Schrader Valve |
| Front | TEKTRO Auriga disc hydraulic (6" rotors) | Brompton A Line calipers | ||
| Rear | -- | Brompton A Line calipers | ||
| Brake Lever | TEKTRO Auriga WS | -- |
| Front | -- | -- | ||
| Rear | -- | -- |
| Colors | -- | White |
| Length | -- | -- | ||
| Weight | 12.2 kg | 11.5 kg |
| About | -- | The Brompton A Line is a practical bicycle designed with a focus on utility. Its technical spec Read More | ||
| Features | -- | - 3 Easy to use hub gears - Folds in 20 seconds |
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| Additional Details | SIZE : 14", 16" HEAD PARTS: AUTHOR Integrated 1.5" tapered CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks FREE WHEEL: SHIMANO M4100-10 11-46 (10) |
Folded Size: 25.3' H' x 23'' W x 10.6'' D Hinge Clamps: Composite hinge clamp levers |
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