Escapa has all the accessories you need from the best brands . The Cane Creek Seatpost Reducer Sleeve (30.9mm to 34.9mm) is ideal for using seatposts with a smaller diameter than your frame.
FEATURES:
• Material: 7005 aluminum
• Dimensions: for seatposts from 26 mm to 34.9 mm
• Length: 10 cm
