Seatpost Adapter 11Sp EPS For PU 27mm V3 Ac16-Hosp27 FREE shipping within Australia over AU$100.00 In stock. Available via Buy Online Only Share Loading Facebook Like button... Seatpost Adapter 11Sp EPS For PU 27mm V3 Ac16-Hosp27 FREE shipping within Australia over AU$100.00 In stock. Available via Buy Online Only Share Loading Facebook Like button...