The easton ec70 seatpost is has been constructed using easton39s proprietary ec70 material and their taperwall technology the result is a stiff seatpost with an impressive strength to weight ratio and in a more affordable price point than easton39s flagship ec90 the carbon fibre shaft with a forged aluminium head ensures maximum strength and stiffness the seatpost also has 12mm offset to put you in the perfect riding postion and it39s available in three sizes to suit you this carbon