Brompton Aluminum Alloy Seat Post Color:31.8mm Colorful and built to withstand demanding

and built to withstand demanding use — whether you're cycling through the city or heading out on a weekend trip

Available in black and silver colors

Engineered specifically for lightweight Brompton models

And a big merci to Mirjam from France

65mm diameter

Brompton Aluminum Alloy Seat Post Color:31.8mm Colorful and built to withstand demandingBrompton Aluminum Alloy Seat Post We are excited to introduce the Brompton Aluminum Alloy Seat Post, an incredible addition to your Brompton bike. Crafted from high strength thickened aluminum alloy, this seatpost is built to last. With a diameter of 31. 8mm and a length of 580mm (some batches are 600mm), it is the perfect size for a Brompton bike. Weighing in at about 400g (including accessories), this seatpost is lightweight and easy to install.