This extended aluminium seatpost is a lighter solution for Brompton bikes.

This is not only an elegant solution but also saves a lot of weight compared to Brompton's Pentaclip solution.

The seatpost set consists of an aluminium post, a connecting rod, two yokes, two 5mm bolts and a rail support cradle.

Weight incl. the pentaclip: approx 328 grams

Material: aluminium AL6061