Brompton A Line Foldable Bike



From A to B. The essential Brompton A Line Foldable Bike. The ride, the compact fold, the easy-to-store.

A Line is the Brompton folding bike with a one-size-fits-all spec. Robust and ready-to-ride. With a handmade steel frame and three hub gears tuned for city riding. 
A Gloss White steel frame. The original 3-part fold. Three easy-to-use hub gears. A natural sit-up and enjoy the ride position with a riser handlebar. And Genuine Brompton parts and fittings compatibility, so you can add as you go.
Ready to roll? The A Line hub gears let you shift when stationary, so setting off is easy. Simply nudge the single lever up or down. The three gears are sealed within the middle part of the rear wheel. Protected from water, grit and impact, they enjoy a long life with minimum maintenance.


Purchases from may be returned within 30 days. Please contact us within 14 days of delivery, you will need to send them to us and we will either exchange them or give you your money back. For unwanted items, products must be unused and you will be responsible for the cost of return postage. If the product is faulty or has arrived damaged, we will reimburse the cost of return postage.


Get free shipping within the lower 48 contiguous United States, processed in 5 working days, then sent by parcel carrier. Easy set up. Follow the Quick Start Guide to add your saddle and do some basic checks, and you’ll be ready to cycle away in less than 10 minutes from opening the box.


Folded size
25.3” x 23” x 10.6”
25.35 lbs
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
Steel brazed fork
Push-on rubber grips
Brompton Extended Chromoly steel tube. Suitable for maximum inside leg 35″/89cm
A Line Saddle with integrated carrying handle
Composite seat clamp and rear frame clip in matt black finish
Non-folding composite pedals
Brompton 3 speed drivetrain, 177% range
6061 forged aluminium crank with 44T chainring and integrated chainguard
Bottom Bracket
Square taper bottom bracket
Brompton 3 speed shifter
Front Wheel
Double wall rims, 28 spokes laced to a Brompton front hub
Rear Wheel
Double-wall rim, 28 spoke, Brompton Standard ratio 3 speed internal gear hub, 13 tooth sprocket
349 x 35C puncture resistant Schwalbe Marathon Racer tyres
Schrader valve
Not included but available separately under Parts & Accessories.
Brompton A Line calipers
Hinge clamps
Composite hinge clamp levers
Front and rear reflectors
Brompton headset
Front carrier
Not included but available separately under Parts.
Not included but available separately
* Specifications are subject to change without notice
Previous model name
Brompton B75

Additional information

Weight 12701 kg


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