We have all the accessories and components you need at Escapa.
The Ergotec Reducer Sleeve for Seatposts (31.6 to 27.2) - 80mm is the part you need to reduce your frame’s diameter and accommodate 27.2mm seatposts.
TheErgotec Reducer Sleeve for Seatposts from 31.6 to 27.2 - 80mmis the part you need to reduce the diameter of your frame and accommodate 27.2mm seatposts.