Brompton Front carrier block for backpack frame Chainring The size fits all types

The size fits all types of Brompton handlebars with or without an extended Seat post and a rear rack

if you notice any shaking or instability

carrying bags on the front of the Brompton is easy and minimizes any effect on bike handling

The sleeve makes the seatpost smaller in order for it to fit into the 31

This cover is shaped according to the Brompton

Brompton Front carrier block for backpack frame Chainring The size fits all typesBrompton Front carrier block for backpack frame Brompton Front carrier block for backpack frame allows you to easily attach Brompton or other bags to the front of your bike, which means that you don't need to carry weight on your back or shoulder. An essential if you are using Brompton luggage; carrying bags on the front of the Brompton is easy and minimizes any effect on bike handling. Fits all Brompton bikes and comes with full instructions.